Answer:
decreases reabsorption of calcium by the kidneys
Explanation
from what ive found, calcitonin stops osteoclast activity, makes bones stronger, stimulates the sythesis of vitamin D, but does not (in anywhere i have read) decrease reabsorption in the kidneys. I really hope this helps.,,
if im wrong i am so sorry :(
Answer:
B
Explanation
They have to realease things somehow
This is plant cell I got it from the safari hope it works and I think the other one is an animal cell try searching up the image and try looking the similar shape.
Diffusion, Osmosis and Facilitated Diffusion
Answer;
C) A positive feedback loop.
Explanation;
-Biological systems operate on a mechanism of inputs and outputs, each caused by and causing a certain event. A feedback loop is a biological occurrence in which the output of a system amplifies the system (positive feedback) or inhibits the system (negative feedback)
-Oxytocin is controlled by a positive feedback mechanism where release of the hormone causes an action which stimulates more of its own release. When contraction of the uterus starts, for example, oxytocin is released which stimulates more contractions and more oxytocin to be released.
