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Human Body Team

Human Body Team. All the systems play a part. How do they interact? Which one is the most important? You decide!. Integumentary System Skin, Hair and Nails. I am the most important. I cover and protect every place on the body! I am the first line of defense against invasion and injury.

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Human Body Team

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  1. Human Body Team All the systems play a part. How do they interact? Which one is the most important? You decide!

  2. Integumentary SystemSkin, Hair and Nails • I am the most important. • I cover and protect every place on the body! • I am the first line of defense against invasion and injury. • I retain body heat yet have pores to release excess heat and wastes. • I retain moisture and your body is almost 80% water!

  3. Skeletal System • I am the most important because without me, you’d have no shape or structure. You’d be a blob! • I enable to move. • I make your red blood cells that carry oxygen to all the cells. • I protect your precious brain, heart, and spinal cord.

  4. Muscular System • I am the most important! • The heart is made of cardiac muscle. • The internal organs are made of smooth muscle. • Without the skeletal muscles the bones couldn’t move.

  5. Respiratory Systemlungs and trachea • I am the most important because I allow you to breathe! • I bring in the oxygen that is carried in the red blood cells. Without me you’d have no oxygen to carry! • I carry the CO2 (waste gas) out of the body. • The circulatory system needs me for gas exchange. • The muscles need oxygen to move. • The brain needs my oxygen to think.

  6. Circulatory SystemHeart, blood vessels, blood • I am the most important! • I carry oxygen and nutrients to every cell in the body! • I am the heart, the veins, the arteries, capillaries and blood. • I transport the white blood cells to all the infections and injuries. • Without me, the oxygen and the CO2 in the body couldn’t reach the cells or lungs.

  7. Nervous SystemBrain, spinal cord, nerves I am the most important! I tell everything else what to do. I tell the heart to beat, the body to move, the digestive system to add enzymes. I am the leader.

  8. Digestive/Excretory SystemStomach and intestines • I am the most important! • Without my system, the body would not be able to obtain energy and nutrients. • I break down all the food stuffed in my mouth into usable nutrients and expel the wastes. Phew!

  9. Reproduction System • I am the most important! • Without me, there would not be any systems. • I am how the species continues.

  10. Time to vote! • Which system do you think is most important? • Why is it the most important?

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