True!
Just above the spinal column is the medulla oblongata, and it controls several important automatic tasks. Breathing is one of the most crucial. Rhythmic breathing is regulated, along with variations due to changing body needs, such as running. You do not have to think about breathing faster; the medulla takes care of that for you. Heart rate is another vital function that is centered in this area. The medulla will increase or decrease the beat based on information from other parts of the body. The medulla also determines when blood vessels should constrict to reduce blood flow.
The study of human structures which includes size , shape , composition and arrangement is called Anatomy .
Answer:
E. As a component of animal cell membranes.
Explanation:
In the animal cell membrane, cholesterol exists as lipid molecules termed as steroid. Cholesterol is made up of hydrocarbon chains and the bond and size of these chains determine the flexibility of the membrane.
Cholesterol also controls the permeability of the plasma membrane by being specific to certain ions or molecules. Cholesterol plays major function in signal transduction of the cell.
The phospholipids present in the plasma membrane are also stabilized by the cholesterol.
The answer is letter D.
Physical fitness refers to a person's ability to perform work. All three choices define work in different levels, while choice D does not have anything to do with physical fitness. Clothing could be a contributing factor to self-esteem which affects the cognitive processes of an individual.
