Two functions of the skeleton system are:
- It is a support structure for the body
- It provides protection our internal organs
The antidiuretic hormone, otherwise called vasopressin is made in the region of the brain called hypothalamus. The cells of the hypothalamus excrete this hormone through the connection they have with the pituitary gland. From this gland, the hormone is released into the bloodstream and eventually comes down to kidneys, affecting the kidney tubules, making them conserve water by transporting them back to the bloodstream.
Answer:
The second line of defence is nonspecific resistance, which kills intruders in a broad manner without focusing on specific individuals: phagocytic cells ingest and kill any germs that enter body tissues.
Explanation:
It's not.
If the plants are growing under the ice and the ice is floating above it on the surface of the water and the ice blocks the light from getting to the plant.