Which process streamlines spermatids into sperm?
A) mitosis
B) spermiogenesis
C) oogenesis
D) spermatogenesis
B
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The sodium-potassium pump moves ions against their concentration gradients and helps maintain an electrochemical gradient across the plasma membrane.
Answer the following statement true (T) or false (F)
What drains capillary beds?
A) venules B) venae cavae C) arterioles D) arteries
The part of the respiratory system where gas exchange does not occur is called ________ space.
Fill in the blank(s) with the appropriate word(s).
If the lens flattened with age, what type of vision would become easier over time for this individual?
A. No light will enter the eye and blindness will result B. Both near and distance vision are fine, but changing back and forth between them becomes difficult C. Distance vision (e.g., reading a street sign) D. Near vision (e.g., reading a book) E. Both near and distance vision are compromised