Which statement is correct?
a. The placenta secretes human chorionic gonadotropin, estrogen, and progesterone.
b. The placenta serves the functions of the circulatory, respiratory, and digestive systems for the fetus.
c. Maternal and fetal blood are mixed together within the placenta.
d. Both a and b
e. None of the above
A
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Which pairing shows the least-related items?
a. Na+-K+ pump, transmembrane protein b. Facilitated diffusion carrier, integral protein c. Aquaporin, peripheral protein d. Calcium pump, integral protein e. Na+-K+ pump, integral protein
Sensory information from the skeletal muscles enters the central nervous system by visceral efferent neurons
Indicate whether the statement is true or false
What are the building blocks of nucleic acids?
Amino acids Nucleotides Fatty acids Glycerol
Which of the following occur as a result of inhibiting the release of chemical mediators of inflammation shortly after injury in a tissue?(1) Stimulation of pain receptors(2) Reduced stimulation of pain receptors(3) Increased permeability of blood vessels(4) Reduced permeability of blood vessels(5) Edema(6) Reduced redness
A. 1, 2, 5, 6 B. 2, 4, 5, 6 C. 2, 4, 6 D. 1, 3, 5, 6 E. 1, 2, 5