Answer:
Plasticity.
Explanation:
Brain is the most important organ of the body as it regulates the other system of the body as well. The three main divisions of brain - forebrain, midbrain and hindbrain.
The brain shows the feature known as plasticity that determines the ability of the brain to change its structure and function depending upon the external and internal environment of the body. The plasticity is also helpful to maintain the normal physiology of the body.
Thus, the answer is plasticity.
Red blood cells is not a defence mechanism for infectious diseases.
Lack of school sports
lack of time
Explanatination: Usally its a bad idea because the way credit works is while it doesnt take money directly out of your bank account that money gets put on a tab basically and you will eventually have to of that tab and if you cant thats when you go into debt because you owe the bank that money.