Biology, 05.10.2019 00:20 levidenim08
Calcium levels in the body are maintained by hormones. if the blood calcium level rises above a set point, calcitonin is secreted by the thyroid gland and sets into motion responses to lower the blood calcium back to the set point. if the blood calcium level falls below a set point, the parathyroid gland secretes parathyroid hormone that sets into motion responses to raise the blood calcium. these homeostatic responses are examples of
a. positive feedback
b. effectors
c. sensors
d. negative feedback
Answers: 1
Biology, 22.06.2019 04:00
Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. albino x albino a) 1/4 chinchilla, 3/4, agouti b) 3/4 albino, 1/4 chinchilla c) all albino
Answers: 3
Biology, 22.06.2019 04:00
What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.
Answers: 3
Biology, 22.06.2019 10:10
Jane has a sprained ankle, and her doctor gave her a prescription that states: “ibuprofen caps 200 mg tid po.” what does this prescription say, in spelled-out form?
Answers: 1
Biology, 22.06.2019 15:10
What do your cells need to live? a. carbon dioxide b. carbon c. air d. oxygen
Answers: 2
Calcium levels in the body are maintained by hormones. if the blood calcium level rises above a set...
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