Answer:
Both epinephrine and norepinephrine are released by the adrenal medulla and they circulate a neurotransmitters and hormones throughout the nervous system and circulatory system. Kara's adrenal medulla is releasing ephinephrine and norepinephrine to prepare her for fight or flight.
Explanation:
Epinephrine and norepinephrine are neurotransmitters and they belong to a class of compounds called catecholamines. While chemically both these neurotransmitters are very similar, they have different functions. Norepinephrine has an effect only on alpha receptors in your arteries, while epinephrine works of both alpha and beta receptors. Beta receptors are in the heart, lungs, and the arteries of the muscles in our skeletal system as well. Both compounds also serve as hormones in the body and having either an overabundance or a deficiency of these compounds can affect your health. Epinephrine can increase your heart rate and smooth out or relax the muscles of your breathing passages so you breathe better when experiencing a fight or flight response. Norepinephrine can constrict your blood vessels and increase blood pressure getting your body ready for action. It is also used to treat very low blood pressure.
Globally, more than a billion people are addicted to nicotine, and more than 100 million are addicted to alcohol.
The nightshade family of plants naturally generate the alkaloid nicotine, which is extensively used recreationally as a stimulant and anxiolytic. Within seconds after inhaling nicotine, it reaches the brain. Nicotine enhances the release of neurotransmitters, brain chemicals that help control mood and behaviour.
Alcohol, often known by its chemical name ethanol, is a psychoactive substance found in alcoholic beverages like beer, wine, and distilled spirits.
Alcohol can change how the brain functions and looks by interfering with the brain's communication networks.
To learn more about nicotine here brainly.com/question/12536232
#SPJ4
Answer:
People must abandon their homes and seek shelter in other regions which may cause health care and education to food rations and basic hygiene.
Explanation:
One of the most critical impacts of natural disasters is community displacement. When nations are devastated by earthquakes and other strong powers of nature, many people have to evacuate their homes and seek asylum in other regions.
A large introduction of refugees can interrupt everything from the approachability of health care and education to food rations and basic hygiene.
The operation that requires independent actions involving a high degree of professionalism, self-discipline, flexibility, patience, and tact is the peacekeeping operations.
Thus,
the answer that we are looking for is stated clearly and correctly, it is the peacekeeping operations.
Islam spread through military conquest, trade, pilgrimage, and missionaries
