What is the function of bone marrow?
a. to harden the bones
b. to make blood cells
c. to change cartilage into bone
d. to remove waste from the body

which of the following body parts is made of cardiac muscle?
a. heart
b. biceps
c. stomach
d. bloodvessles

Plants transfer carbon in the carbon cycle a. through assimilation of carbon from the soil. b. when carbon transpires from their stomatae. c. when they are eaten by animals. d. through fixation of carbon in the soil. plants transfer carbon in the carbon cycle a. through assimilation of carbon from the soil. b. when carbon transpires from their stomatae. c. when they are eaten by animals. d. through fixation of carbon in the soil.