Answer:
Epithelial tissue
Explanation:
Functions of epithelial cells include secretion, selective absorption, protection, transcellular transport, and sensing. Epithelial layers contain no blood vessels, so they must receive nourishment via and diffusion of substances from the underlying connective tissue, through the basement membrane.
Answer:
X is horizantal and Y is vertical
Explanation:
Answer: False
Explanation:
Acetylcholine functions in the central nervous system and peripheral nervous system both as activator and inhibitor.
It can cause the skeletal muscle to contract and it also inhibits the activation of the cholinergic system.
Whereas, the norepinehrine functions to mobilize the brain and body for actions. It is released lowest at the the time of sleeping , it shoots up at the time we are awaken and is highest at the time of stress.
Answer:
the waste product of respiration
Explanation:
lol
Answer: so the cycle of energy in the earth all depends on the different types of tropic levels in the ecosystem, or maybe even the use of solar power.
The plants as well they have energy in them that spreads to the earth. The photosynthesis process also helps it go through it
Explanation:
