List and briefly describe the components of the lymphatic system
The lymphatic system consists of (1 ) lymph, a fluid that resembles plasma but contains a much lower concentration of suspended proteins; (2 ) a network of lymphatic vessels, often called lymphatics, which begin in peripheral tissues and end at connections to veins; (3 ) an array of lymphatic tissues and lymphatic organs such as lymph nodes, spleen, and thymus scattered throughout the body; and (4 ) lymphocytes and smaller numbers of phagocytes and other cells such as dendritic cells.
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Although often most noticeable on the head, most of the body's five million ________ are located elsewhere, on the general body surface.
What will be an ideal response?
Which of the following monitors blood pressure at the end of the systemic circuit?
A) aortic baroreceptors B) carotid sinus baroreceptors C) aortic body chemoreceptors D) carotid body chemoreceptors E) atrial baroreceptors
After fertilization, development of a full-term fetus depends upon:
A) release of HCG by the trophoblast to maintain the corpus luteum. B) production of LH by the placenta. C) maintenance of the corpus albicans by prolactin. D) production of estrogen by the adenohypophysis. E) all of these
gap junctions allow direct communication or ionic flow between adjacent cells for a(n) ____ synapse, while synapses that use neurotransmitters to signal from the presynaptic to postsynaptic cell are called ___ synapses.
Fill in the blank(s) with the appropriate word(s).