In which way does the circulatory system rely on the skeletal system?

Question

A. Glucose is secreted by compact bone as an energy source for
blood.
B. Spongy bone stores minerals needed by blood cells.
C. Bones provide a source of oxygen to blood.
D. Blood cells are produced in bone marrow.
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A rock climber climbs up the rock wall. How do the bones and muscles in his arm interact to allow him to climb up?

An image is shown of a man climbing the face of a rocky cliff. The man's right arm appears to grasping the cliff rock while the left arm extends to reach a higher level of the cliff.
A. All of the muscles in his arm contract as he climbs up.
B. His arm muscles work in pairs so that one contracts while the
other relaxes as he climbs up.
C. His arm muscles work independently of each other as he climbs
up.
D. All of his arm muscles relax as he climbs up.
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Answer 1

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