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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When a protein of 50 nanometers is mixed with water, the opaque result is called a(n)
?A. suspension.?B. emulsion.?C. solution.?D. colloid.
Iron, lactic acid, and lipids are all considered to be nutrients in blood plasma
Indicate whether this statement is true or false.
Blood vessels that absorb strong pressure pulses contain more of this type of tissue
A) collagen fibers B) endothelium C) smooth muscle and elastic
The presence of Herring bodies is an identifying characteristic of the:
a. Adrenal cortex b. Adrenal medulla c. Islets of Langerhans d. Parathyroid gland e. Posterior pituitary gland