The skeletal system ___________________.
a. is a site for blood-cell formation
b. breaks down ingested food
c. contributes to the acid-base balance of the blood
d. protects the deep organs from injury and drying out
Answer: a. is a site for blood-cell formation
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Collagenous and elastic fibers of the ________ make it possible for the skin to flex with movement of the body.
A. dermis B. subcutaneous C. epidermis D. fascia
How is O2 (oxygen) transported across the lung membrane?
a. by osmosis b. by pinocytosis c. by diffusion d. via a carrier lipid e. via a carrier protein
Ovulation usually occurs 14 days following follicle development
Indicate whether the statement is true or false
Identify structure "D" on the neuron
A. Schwann cell B. Node of Ranvier C. neuron cell body (soma) D. dendrites E. axon