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3. By making bones grow stronger and denser
How does exercise help maintain healthy bones?
Row 1, Col 1

4. The spaces in bones are filled with a soft connective tissue called
Marrow.
The spaces in bones are filled with a soft connective tissue called
3,1

5. Much of a newborn baby’ skeleton is made of
cartilage
Much of a newborn baby’ skeleton is made of
5,1

6. A strong connective tissue that holds movable joints together is a
ligament.
A strong connective tissue that holds movable joints together is a
1,2

7. What kind of motion is possible with a hinge joint?
Backward or forward
What kind of motion is possible with a hinge joint?
2,2

8. The bones that form the backbone are called?
vertebrae
The bones that form the backbone are called?
3,2

9. True or false: Obtaining oxygen is a function of the skeleton
4,2

10. Which organ system makes
Skeletal system
Which organ system makes
blood cells
5,2

11. 37* C
No matter what the temperature of the air around you, your internal body temperature will be close to, (Celsius)
1,3

12. homeostastis
The process by which an organism’s internal environment is kept stable in spite of changes in the external environment is called
2,3

13. Epithelial
Which type of tissue lines your digestive track and allows you to digest and absorb the nutrients from food?
3,3

14. Which type of human body tissue can contract, or shorten?
Muscle tissue
Which type of human body tissue can contract, or shorten?
4,3

15. Nervous Tissue
Messages are carried back and forth between the brain and other parts of the body by
5,3

16. What structure directs the activities of a cell
Nucleus
What structure directs the activities of a cell
1,4

17. This food group is a good source of calcium
2,4

18. Beneath the outer membrane of bone there is a layer of
Compact Bone
Beneath the outer membrane of bone there is a layer of
3,4

19. Exercise regularly and include calcium in your diet
What is the best way to prevent osteoporosis?
4,4

20. Which type of muscle is found only in the heart?
Cardiac muscle
Which type of muscle is found only in the heart?
5,4

21. Which type of muscle tires quickly during exercise:
Skeletal muscle
Which type of muscle tires quickly during exercise:
1,5

22. How do pairs of skeletal muscles work together?
While one muscle in the pair contracts, the other returns to its original length
How do pairs of skeletal muscles work together?
2,5

23. Muscle cells can only contract
Skeletal muscles must work in pairs because
3,5

24. Helps maintain strength and flexibility
Exercise is important for muscles because it
4,5