Pituitary gland.
When you feel stress, the pituitary gland, at the base of the brain, increases its production of the hormone ACTH. This hormone tells the adrenal glands, found at the top of your kidneys, to increase their production of hormones. These stress hormones help you to concentrate, speed your reaction time, and boost your strength. Your hypothalamus also helps your body respond to stress.
Answer:
amoeba
Explanation:
unicellular are the organism which have single cell.
An organism or part having or consisting of many cells.
A vast network of nerves sends electrical signals to and from other cells, glands, and muscles all over your body. These nerves receive information from the world around you. Then the nerves interpret the information and control your response.
The answer is nutrients.
Nutrients nourish the body by providing it with energy and/or contributing to the body's metabolic processes. Nutrients come from food in the form of carbs, fats, and protein, all of which need to be digested by the body before it can use these nutrients.
