Select all correct descriptions of changes that occur to the circulatory system of a pregnant woman.
e. increased renin-angiotensin-aldosterone activity
d. relaxation of the smooth muscle in arteries
c. increased blood volume
d. All of the above
Answer : d. All of the above
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Which of the following best explains why "carbs" (carbohydrates) are advertised by manufacturers of candy bars and sports drinks as a "quick energy boost"?
A) The energy in them can be stored as fat, which has high energy per unit weight. B) The carbons in carbohydrates are rich in energy because they are highly oxidized. C) Carbohydrates are reduced molecules that have high-energy electrons. D) This is an advertising gimmick that has no scientific evidence to support it.
What external factors influence a cell to divide?
What will be an ideal response?
This image depicts a
1.neurotransmitter carrying a signal across a neuromuscular junction.
2.bacterial infection in the nerve endings.
3.synapse.
4.all of the choices
What is the intracellular growth, or replicative form, of Chlamydia?
A. Reticulate body B. Elementary body C. Replicate body D. Initial body