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A B C D E F G 100 100 200 200 300 300 400 400 500 500

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

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

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

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

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

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

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

Skeletal system Which organ system makes blood cells 5, 2

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

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

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

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

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

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

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

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

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

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

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

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

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

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