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Main Organs

Lungs

Nose

Mouth

Voice Box

Trachea

Diaphram

WindPipe

Airway

Main Function

The main function of the Respiratory System is to transport oxygen and remove extra carbon dioxide.

Fun Facts

The left lung is usually smaller than the right lung.

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

Lungs are the only organs in your body that will float.

Why is it important

The respiratory system is important because it transports oxygen through the body, allowing cellular respiration and energy production.

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Main Organs

Heart

Blood vessels (Arteries, Veins & Capillaries)

Main function

The circulatory system's main job is to move blood throughout the body, eliminating waste materials like carbon dioxide and providing cells with nutrients, oxygen, and hormones.

Fun facts

Newborn babies have the fastest heartbeat.

Your heart beats around 100,000 times a day.

Spending time with friends and family can lower your heart attack risk.

Many heart attacks occur on Monday mornings.

Why is it important

The body needs the cardiovascular system to carry hormones, nutrients, and oxygen. It is essential for immunological response, waste elimination, and preserving general physiological balance.

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Main Organs

Skeletal muscles

Cardiac muscles

Smooth muscles

Main function

The muscular system's main function is to help the body move, it is also attached to different bones and blood vessels so it's important to support the body and it is also vital for other processes that are frequently occurring in the body.

Fun facts

Muscles are 40% of the body weight.

The smallest muscles in the human body are in your inner ear.

The hardest working muscle in your body is the heart.

Why is it important

The muscular system is important because it is responsible for your body's movement.

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Main Organs

Mouth

Esophagus

Stomach

Pancreas

Liver

Gallbladder

Small intestine

Large intestine

Anus

Main function

The digestive system breaks down food into nutrients such as carbohydrates, fats, and proteins. Your body can then use them for energy, development, and repair after they are absorbed into your blood.

Fun facts

Stomach Acid Is Strong Enough To Burn Skin.

The average person produces 2 pints of saliva every day.

The small intestines are about 10 feet long.

Why is it important

The digestive system is essential for breaking down food into nutrients, providing energy, supporting growth, and maintaining overall health. It also supports immunological response, hormonal balance, and cellular health.

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Main Bones

Skull

Vertebrae

Ribs

Clavicle

Humerus

Pelvis

Femur

Main Function

The main organs of the skeletal system are the bones. The human skeletal system consists of 206 bones that provide support to the body, protect vital organs, facilitate movement and through joints.

Fun Facts

Babies are born with 300 bones.

The smallest bone in the body is in your ear.

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

Why is it important

The skeleton is an important organ for the support of the body and the attachment of muscles and tendons, as well as body movement. It is also important since it helps protect the bone marrow within its cavities, the skeleton shields the organs of the cranial and thoracic cavities from harm.

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Main Organs

Hypothalamus

Pineal body

Pituitary

Thyroid and parathyroid

Thymus

Adrenal gland

Pancreas

Ovary

Testis

Main Functions

The endocrine system is a complex network of glands and organs. Hormones are responsible for regulating and coordinating your body's energy levels, growth and development, metabolism, reproduction, and reactions to stress, injury, and mood.

Fun facts

Stress Can Interfere With Endocrine Processes.

Traditional Chinese healers practiced endocrinology more than 2,000 years ago.

Not all hormones come from the endocrine system.

Why is it important

Hormones are released into the bloodstream by endocrine glands. Hormones can now reach cells in different areas of the body thanks to this. Endocrine hormones are important since they play a role in regulating mood, growth and development, metabolism, reproduction, and the function of our organs.

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Main Organs

Brain

Spinal Cord

Nerves

Main function

The main function of the nervous system is to to process information that comes from various parts of your body to your brain, and from your brain back out to your body to tell your body what to do.

Fun Facts

The body has billions of nerve cells.

The involuntary system is broken down into three parts.

Every part of your skin contains about 1,300 pain receptors but only about 100 receptors for pressure, 40 for cold and 6 for warmth.

Why is it important

Without a nervous system, you would be unable to sense your environment, control your muscles, or regulate essential body functions. Life, as we know it, would be impossible without the coordination form the nervous system.