<span>Hormones released during exercise that can cause a person to get a "physical high" are known as endorphins. These hormones are released by the brain's pituitary gland during any period that significant stress is felt. It can be produced during exercise or tiring activities, stress, or pain. They are released so they can help relieve the feelings of stress.</span>
Answer:
http://www.realmonstrosities.com/2011/01/dobsonfly.html
Explanation:
It's on the webpage, I hope that works
Answer:
A should be your answer. I know this was yesterday, but if this was it, let me know
Explanation:
Answer:
The main sequence stretching from the upper left (hot, luminous stars) to the bottom right (cool, faint stars) dominates the HR diagram. It is here that stars spend about 90% of their lives burning hydrogen into helium in their cores. Main sequence stars have a Morgan-Keenan luminosity class labelled V.
Explanation:
The answer is A.
If the bicipe muscle contracts it will bring the forearm up because the insertion of this muscle is in the forearm.
One of the functions of this muscle is flexing the elbow, which would result in the action i already mentioned.
It couldn't be B, because that would be the work of another muscle, the triceps.