SW: The Skeletal System/Skeleton

1. 1. What is the main job of the skeleton?

• a) To help us see

• b) To support our body and protect our organs

• c) To help us breathe

2. How many bones are there in an adult human skeleton?

• a) 206

• b) 150

• c) 300

3. 3.Which part of the skeleton protects the brain?

• a) Ribcage

• b) Skull

• c) Spine

4. 4.What is the name of the bone in your chest that protects your heart and lungs?

• a.ulna

• rib cage

• skull

5. 5.Why is it important to have strong bones?

• a) To help us grow taller

• c) To help us run fast

• b) To support our body and protect organs

6.What helps us stand up?

• a) Spine/backbone

• b) Skull

• c) Ribs

8. TRUE or FALSE

9. 7.Bones work with muscles and joints to hold our body together and support freedom of movement.

• TRUE

• FALSE

8. TRUE or FALSE

9. 8.The skeleton supports and shapes the body and protects delicate internal organs such as the brain, heart, and lungs.

• TRUE

• FALSE

9. TRUE or FALSE

10. 9.Red and white blood cells are formed by a tissue called marrow which is in the center of the bone.

• TRUE

• FALSE

10. 10. Our _ _ _ _ _ store minerals. such as calcium and phosphorus. (small letters only)