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Logan's food about to enter his digestive system

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1. breaks down food for the body to use as energy and discards unneeded wastes
2. mouth, throat, esophagus, stomach, small intestine, large intestine, rectum, anus, salivary glands, liver, gallbladder, and pancreas
3. unneeded wastes are excreted as poop, react when you're stressed, DS has its own nervous system)

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my brother getting his cardio(vascular) in

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1. provides nutrients and oxygen to the body, regulates temperature in the body
2. heart, veins, arteries, and capillaries
3. the heart pumps 2,000 gallons of blood a day, ancient Egyptians studied the circulatory system, having a sfrong cardiovascular can lower blood pressure

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1. moves fresh air into the body and removes waste gases (co2)
2.

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pencil is simulating a vaccine that helps with the immune system!

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1. Immune system fights off things that cause diseases inside the body (pathogens)
2. thymus, bone marrow, lymph nodes, vessels, spleen, and skin.
3.  Some people have little to no immune system, our immune system remembers every microbe it has ever fought and defeated, ostriches have strongest immune system

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my body's nervous system reacting to getting punched in the face

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1. able to control body movement, send signals throughout the body (allows most of the 5 senses), regulates organs (homeostasis)
2. brain, spinal cord, nerve system
3. nerves not part of the main nervous system are part of the peripheral nervous system, nervous system makes you wake up, neurons may look different than others

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1. responsible for muscle movement (muscle contractions, body temperature regulation by producing heat when needed (shivering is an example)
2. all of the muscle tissue in the body like the skeletal muscle tissues, smooth muscle tissues, and cardiac muscle tissues
3. muscles make up approximately 40 percent of total weight, the gluteus maximus is the body's largest muscle, the heart is the most hard-working muscle

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1.  Supports the body's organs and provides a framework
2. Bones, tendons, cartilage, and ligaments
3. A. femur is the strongest part
B. has more than 200 bones
C. bones contain cells that reconstruct the inside as the body develops