Answer:
The kidneys take of up more Ca2+ and release vitamin D. The bones release Ca2+. The intestines increase reabsorption of Ca2+.
-0.5m/s^2
Explanation:
the answer is negative this only show direction that is acceleration is a vector quantity
Answer:
Yes. Cells have 'cell receptors' that are used to receive messengers like hormones to communicate. Cell receptors have specific shapes that fit the shape of the messenger that they want to receive. Organs like the pancreas send our these messengers to the cells to order them to do different functions.
a windmill collects energy from the wind
The answer to your question is,
Seafloor spreading
-Mabel <3