The first system to be visually evident is the
A. muscular system.
B. nervous system.
C. skeletal system.
D. cardiovascular system.
Answer: B
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In the classical pathway of complement activation,
A. complement is activated within liver cells and released into the blood. B. complement binds to an antibody that is bound to a foreign substance. C. complement binds with polysaccharides on a microbial cell wall. D. complement inhibits inflammation and binds to opsonins.
The upper chambers of the heart are _____ and _____.
A) atria; pump blood within the heart B) atria; pump blood out of the heart C) ventricles; pump blood within the heart D) venticles; pump blood out of the heart.
Steroid hormones generally bind with receptors inside target cells and control the rate of formation of mRNAs that lead to the synthesis of proteins
Indicate whether the statement is true or false.
What roles do testosterone, LH, and FSH have on sperm development?
What will be an ideal response?