Biology, 21.02.2020 06:27 chloebaby8
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:
Answers: 3
Biology, 22.06.2019 02:30
What is the surface temperature of the ocean where hurricanes form? greater than 80 celsius approximately 27 celsius at least 76 celsius less than 10.5 celsius
Answers: 1
Biology, 22.06.2019 07:00
Environmental science are unconsidered with methods to preserve natural resourcesa.trueb.false
Answers: 1
Biology, 22.06.2019 08:40
What substance acts to prevent sudden ph changes in bodily fluids?
Answers: 2
Biology, 22.06.2019 09:40
For the strategies below, decide whether they are best described as demand-side solutions or supply-side solutions to meeting human needs for fresh water. remember that a demand-side solution reduces demand for fresh water, whereas a supply-side solution increases the supply of fresh water. (a) damming a river to create a reservoir (b) desalinating seawater (c) a nation invading a neighboring country to access their rivers (d) raising water prices for consumers and businesses (e) providing tax breaks for companies that use less water (f) replacing inefficient irrigation with more-efficient drip irrigation to grow crops (g) requiring low-flow showerheads in all new homes
Answers: 1
Calcium levels in the body are maintained by hormones. If the blood calcium level rises above a set...
Mathematics, 17.04.2020 01:13
Mathematics, 17.04.2020 01:13
History, 17.04.2020 01:13
Mathematics, 17.04.2020 01:13
Biology, 17.04.2020 01:14
English, 17.04.2020 01:14
History, 17.04.2020 01:14
Computers and Technology, 17.04.2020 01:14
English, 17.04.2020 01:14