Where does the final stage of sperm maturation occur?
A. prostate
B. vas deferens
C. seminiferous tubules
D. epididymis
What is the hormone that stimulates uterine contractions?
A. progesterone
B. prolactin
C. oxytocin
D. estrogen
The exchange of gases in the lungs occurs in the ____.
A. larynx
B. bronchioles
C. bronchus
D. alveoli
The volume of air in a normal breath is called ____.
A. tidal volume
B. oxygen reserve
C. residual volume
D. total lung capacity
The primary stimulus for breathing is ____.
A. carbon dioxide in the blood
B. carbon monoxide in the blood
C. carbon dioxide in the lungs
D. oxygen in the lungs
What is the name of the tube connecting the kidney to the bladder?
A. urethra
B. ureter
C. loop of Henle
D. collecting duct
What is the functional unit of the kidney called?
A. tubule
B. nephron
C. glomerulus
D. calyx
What is not a direct function of the kidney?
A. regulate O2 levels in the blood
B. regulate blood volume
C. regulate blood pressure
D. regulate pH
Where is fat stored within the skeletal system?
A. red bone marrow
B. yellow bone marrow
C. compact bone
D. spongy marrow
What are the names of the bones in the lower arm?
A. femur and radius
B. radius and ulna
C. clavicle and humerus
D. humerus and radius
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