Where do sperm acquire their motility?
A. Testis
B. Ductus deferens
C. Epididymis
D. Uterine tube
Answer: C. Epididymis
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. Describe the changes in blood flow and pressure that result when someone engages in prolonged strenuous exercise. Indicate how pressure, flow, and resistance change systemically and in the skeletal muscles being used
What will be an ideal response?
Plasma cells
A) increase the volume of the blood plasma. B) directly attack antigens. C) produce interferon. D) produce antibody molecules.
The attraction or repulsion of certain cells to chemicals in their environment is called
A) chemotaxis. B) diapedesis. C) phagocytosis. D) apoptosis. E) immune surveillance.
Which class of nephron is crucially important in establishing a salt concentration gradient in the kidney so that urine concentration can be regulated?
A. Adrenal nephrons B. Juxtamedullary nephrons C. Cortical nephrons D. Intercalated nephrons