Describe the main functions of the placenta
What will be an ideal response?
The placenta is responsible for: 1) exchange of gases, nutrients, and wastes; 2) transmission of antibodies from mother to fetus; and 3) production of estrogen and progesterone.
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Normally, the stroke volume of the right side of the heart is the same as the stroke volume of the left side of the heart
Indicate whether the statement is true or false
Excess cholesterol leaves somatic cells and is absorbed by __________, which then transport the cholesterol back to the liver.
a. LDLs b. HDLs c. VLDLs d. chylomicrons
Directional terms are important in the study of anatomy. What does "A" represent?
A. Right B. Lateral C. Median D. Inferior E. Left
Which of the following is a lubricant that keeps skin soft and moist and also contains chemicals that kill bacteria?
A) sweat B) sebum C) carotene D) melanin