Answer:
The heart consists of four chambers in which blood flows. Blood enters the right atrium and passes through the right ventricle. The right ventricle pumps the blood to the lungs where it becomes oxygenated. The oxygenated blood is brought back to the heart by the pulmonary veins which enter the left atrium.
Explanation:
<span>Gradually increasing the demands on your body as you advance in your fitness program is known as progression. You progress to other levels of training, so as to make your body stronger. Specificity is the quality of being specific. Regularity refers to something that happens regularly. Overload is too much burden, and it is not good.</span>
Answer:
repressing
Explanation:
Sigmund Freud psychoanalytic theory also explains the phenomena of repression in which a person unconsciously pushes an event or information out of their memory because the feelings and emotions triggered by that memory are too painful. Hence, the person becomes unaware of that thought or event as it is non-existent and never occurred.
Answer:
By the production of white blood cells and antibodies.
Explanation:
The immune system's job is to identify foreign object and to make antibodies and white blood cells to fight said virus.
