Which of the following parts of a nervous reflex arc is usually a muscle or gland?
a) Sensory receptor
b) Sensory neuron
c) Motor neuron
d) Effector
e) Integration center
d
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One reason that pregnant women's metabolic rates change is that the placenta secretes
A. human chorionic gonadotropin, which stimulates metabolism of glucose and raises metabolic rate. B. human chorionic thyrotropin, which stimulates the thyroid gland and raises metabolic rate. C. human placental lactogen, which stimulates glycolysis and raises metabolic rate. D. human chorionic somatomammotropin, which inhibits fatty acid metabolism and lowers metabolic rate. E. prolactin, which lowers metabolic rate so that nutrients can be stored in milk.
Most people have 24 ribs
Indicate whether the statement is true or false
Tubular reabsorption and tubular secretion are highly selective processes, whereas glomerular filtration is not
Indicate whether the statement is true or false
________ glands (such as tear glands) have vesicles that release their secretion via exocytosis. ________ glands (such as oil-producing glands) secrete a mixture of disintegrated cells and their products.
A. Eccrine; Holocrine B. Mucous; Cutaneous C. Cytogenic; Apocrine D. Endocrine; Exocrine E. Mucous; Serous