Answer:
Option-A
Explanation:
The nervous system which is activated during stress condition is known as the sympathetic nervous system.
The sympathetic system produces the response to fight or flight in the body. The body releases hormones during stress condition which are the epinephrine and the cortisol. Both the hormones are produced from the adrenal gland.
In the given question, since the person is in stressed condition but she is still fighting therefore the stress hormones are produced in large amount and the main hormones are the epinephrine and cortisol.
Thus, Option-A is correct.
Answer:
Everything needs water to survive.
Explanation:
Water is essential to all types of life: plants, mammals, fish, reptilians, microbes, you and I, etc. Water relates to biology in that all types of life depend on and require water for all types of things.
Most of the mutations have no effects whatsoever on the organisms but some can be dangerous. There are two types of mutations that cause harm to the organism's ability to survive:teratogen muations are the mutations that form inside the uterus when the fetus is still developing and can even kill it or cause severe malformations that lead to death in the early life. Carcinogen mutations are the ones that lead to the formation of neoplasms(masses of cells that divide uncontrollably, basicly cancer).