AP PSYCHOLOGY

Detailed explanation-1: -The blood circulatory system (cardiovascular system) delivers nutrients and oxygen to all cells in the body. It consists of the heart and the blood vessels running through the entire body.

Detailed explanation-2: -What Are the Parts of the Circulatory System? Two pathways come from the heart: The pulmonary circulation is a short loop from the heart to the lungs and back again. The systemic circulation carries blood from the heart to all the other parts of the body and back again.

Detailed explanation-3: -The primary components in the circulatory system are the heart, the blood vessels, and the blood.-Blood is a fluid consisting of red blood cells, white blood cells, plasma, and platelets.-The blood carries oxygen, nutrients, and waste to and away from all body tissues.

Detailed explanation-4: -The heart pumps blood through blood vessels, which carry the blood to and from all areas of the body. This whole network of vessels for blood circulation is called the vascular system. All the arteries and veins outside the heart and head make up the peripheral vascular system.

Detailed explanation-5: -Double circulation supports a strict separation of both oxygenated and deoxygenated blood. Therefore, this circulation ensures that the body always has a dedicated supply of oxygen and also, it improves body efficiency. This is also one of the reasons why mammals can maintain their body temperatures.