From about week 20 to 36, fine hair called __________ covers the fetus.
Fill in the blank(s) with the appropriate word(s).
lanugo
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Which of the following visceral reflexes is not coordinated by the medulla oblongata?
A) swallowing reflex B) vasomotor reflex C) coughing reflex D) cardioacceleratory reflex E) pupillary reflex
B) inspiration involves muscular contractions and expiration is passive.
A) directly proportional to pressure. B) inversely proportional to pressure. C) directly proportional to temperature. D) inversely proportional to temperature. E) None of the answers are correct.
Identify the various types of epithelial intercellular connections
A) tight junctions, adhesion belts, gap junctions, and desmosomes B) tight junctions, sinusoids, intercellular clefts, and fenestrations C) hemidesmosomes, desmosomes, connexons, and fenestrations D) connexons, synapses, receptors, and sarcolemma E) gap junctions, nodes of Ranvier, canaliculi, and synapses
The figure illustrates a detailed drawing of the neuromuscular junction. What does "D" represent?
A. synaptic vesicles B. synaptic cleft C. sarcolemma D. presynaptic terminal E. postsynaptic membrane