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Fallopian tubes are 12 cm long and wide as a sewing needle

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Fallopian tubes are 12 cm long and wide as a sewing needle

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Since the skin is the largest organ and the most exposed, it can become damaged. Therefore the body has developed a way for the skin to repair itself.

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Since the skin is the largest organ and the most exposed, it can become damaged. Therefore the body has developed a way for the skin to repair itself.

# data[].attributes.headline
Since the skin is the largest organ and the most exposed, it can become damaged. Therefore the body has developed a way for the skin to repair itself.

# data[].attributes.subject
Since the skin is the largest organ and the most exposed, it can become damaged. Therefore the body has developed a way for the skin to repair itself.

# data[].attributes.headline
Since the skin is the largest organ and the most exposed, it can become damaged. Therefore the body has developed a way for the skin to repair itself.

# data[].attributes.subject
Since the skin is the largest organ and the most exposed, it can become damaged. Therefore the body has developed a way for the skin to repair itself.

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A female can give birth to about 35 babies in a lifetime.

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There are 206 bones in the human body

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It takes 12 weeks for a bone to heal

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Babies are born with 300 bones

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After ejaculation happens or if sexual stimulation stops, more blood flows out of your penis and less flows in, causing your penis to get limp.

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The body has two types of bone

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When you’re out and about on a hot day, the skin protects you from harmful UV rays which can use an array of diseases

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Over 600 skeletal muscles account for about half of our body weight

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The smallest bone in the body is in your ear.

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The largest muscle in the body is the gluteus maximus.

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Red blood cells that contain hemoglobin molecules are responsible for picking up and carrying oxygen throughout the body.

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Muscles can’t push. They can only pull.

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Every chemical messenger or hormone has a specific receptor or target at the destination site

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Bones are filled with a spongy tissue

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Your skin constantly sheds dead cells, about 30,000 to 40,000 cells every minute!

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The reproductive system contains the largest and smallest human cells

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Provides the structural support for the human body and protects our organs

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The use of CPR dates all the way back to 1740, yet even today, most Americans don’t know how to perform it.

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Your skin makes up about 15% of your total body weight.

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You can eat upside down.

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Alexa Muscles can’t push. They can only pull.

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Alexa Muscles can’t push. They can only pull.

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Alcohol has widespread effects on the endocrine system

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Men have vastly more gametes than women.

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Male and female reproductive parts were once described using "one-sex" terms

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Sperm Is The Smallest Cell In A Human Body

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Skeletal muscles attach to bones

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Gastric juice produced by glands in the stomach lining digest food into chyme.

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Your skin makes up about 15% of your total body weight

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The lungs are the only organs that can float on water

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Diabetes was once diagnosed by tasting urine.

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Adults breathe about 12-15 times per minute while newborns breathe about 30-60 times per minute.

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Laughter really is the best medicine. It triggers endorphins to be released in the body, reduces stress, and increases blood circulation.

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The biggest joint in your body is your knee.

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The term "hormone" is only about a century old

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The skin is the first human body’s first line of defense against microorganisms and parasites

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Your lungs are not sterile or germ-free, even in health

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Laughter really is the best medicine. It triggers endorphins to be released in the body, reduces stress, and increases blood circulation.

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The circulatory system in the human body stretches 66,000 miles more than two and a half times the circumference of the earth

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Your nose is a filter, heater and a humidifier.

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The integumentary system has a low rate of permeability (a.k.a., it’s hard for things in the environment to penetrate it)

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1. The lungs play an important role in the circulatory system which is known as pulmonary circulation. The lungs bring in deoxygenated blood from the heart and return oxygen-rich blood back to the heart. They also release carbon dioxide from the blood through expiration (exhaling).

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Fertilization occurs if a sperm enters the Fallopian tube and burrows into the egg

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The sudoriferous glands, also known as
sweat glands, are exocrine glands that
secrete water and salt from the skin or
hair.

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Most people have 12 ribs, but some have 13

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The circulatory system has a length equivalent to 100,000 kms.

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The hypothalamus produces hormones that help to regulate how hungry or thirsty you are.

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Renatta.                                                                               Larger Mammals = Slow Heart Rate  

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Renatta.                                                                               Larger Mammals = Slow Heart Rate  

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Some people can hold their breath for more than 20 minutes

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The sudoriferous glands, also known as
sweat glands, are exocrine glands that
secrete water and salt from the skin or
hair.

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Muscles are made up of special cells called muscle fibers

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On average, a female’s small intestine is slightly larger at 7.1 meters than a male’s 6.9 meters

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Alexa You can eat your way to stronger bones

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Alexa You can eat your way to stronger bones

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Aerobic exercise is the best type of exercise to keep your digestive tract in shape.

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Big bodies have slower heart rates

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The body makes alms 30 different hormones

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Capacity of the stomach is 1.5 liters

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1. The average amount of head hair is 120,000.

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The release of neurotransmitters from the end of neurons act within milliseconds on the target organ or muscle to produce a response

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The main part of your skeletal system consists of your bones, hard structures that create your body's framework — the skeleton.

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The vagina has something in common with tomatoes: they're both acidic

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Muscles are divided into three types: smooth, cardiac, and skeletal.

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1. The ovaries are the first female reproductive organ to develop.

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Alexa The skin is the largest organ of the human body

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Alexa The skin is the largest organ of the human body

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The main function of the muscular system is movement.

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A single square inch of skin has about 19 million cells and up to 300 sweat glands.

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Alexa Not al hormones come forma the endocrina system

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Alexa Not al hormones come forma the endocrina system

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The endocrine system is sometimes at fault for osteoporosis.

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The large intestine is responsible for more than eliminating waste

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The integumentary system is an organ system consisting of the skin, hair, nails, and exocrine glands.

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The Endocrine System Responds to Stress, the adrenal glands.

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Smooth muscles are the involuntary muscles in your gut, blood vessels, and elsewhere that work without you consciously thinking about making them move

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Inés Calzada. Babies are born with 300 bones.

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Inés Calzada. Babies are born with 300 bones.

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Inés Calzada. Your body contains more than 600 muscles.

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Inés Calzada. Your body contains more than 600 muscles.

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The nose is a filter, heater and a humidifier

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The average person produces 2 pints of saliva every day

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The average person produces 2 pints of saliva every day

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Men have vastly more gametes than women

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A pheochromocytoma is a tumor that can occur within them.

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More than half your bones are in your hands and feet.

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Accordingly, with negative feedback, the gland responds to the stimulus by increasing or decreasing the secretion of a hormone based on feedback from different factors.

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The primary reproductive organs, or gonads, consist of the ovaries and testes.

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The word “muscle” comes from Latin term meaning “little mouse“, which is what Ancient Romans thought flexed bicep muscles resembled.

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The circulatory system in the human body stretches 66,000 miles

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The stomach has the ability to stretch and hold up to 4 pounds of food at one time.

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The pituitary gland is located at the base of the brain beneath the hypothalamus and is no larger than a pea. It is often considered the most important part of the endocrine system because it produces hormones that control many functions of other endocrine glands.

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1. Venous blood that delivers carbon dioxide back to the lungs makes up 75 percent of blood flow at any given moment.

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The main organ of the respiratory system is the lungs

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Men have about 50% more muscle mass than women.

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Alexa Your heart pumps about 2,000 gallons of blood every day.

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Alexa Your heart pumps about 2,000 gallons of blood every day.

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Inés Calzada. The skin renews itself every 28 days.

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Inés Calzada. The skin renews itself every 28 days.

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The small intestine is roughly 23 feet long.

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The average adult human has between 10-12 pints of blood travelling through their circulatory system.

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Your heart is the main circulatory system organ

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The skin is the largest organ of the human body. It accounts for about 15% of your body weight, and the average person has about 300 million skin cells.

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The smallest bone found in the human body is located in the middle ear. The staples (or stirrup) bone is only 2.8 millimetres long.

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It is possible to live with just one lung

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It is possible to live with just one lung

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Alexa Enzymes in your digestive system are what separate food into the different nutrients that your body needs.

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Alexa Enzymes in your digestive system are what separate food into the different nutrients that your body needs.