1. Pumps the blood throughout the body 3. Blood Vessel 6. Carries the materials throughout the body 9. Movement of blood through the tissues of the heart 10. Systemic Circulation Questions: What is the circulatory system? What are the two circuits by which gases are circulated in and out of the lungs? What are the parts of the circulatory system that carry blood and materials throughout the body? Describe the three types of blood vessels.
Answer (1)
The circulatory system, also known as the cardiovascular system, is responsible for transporting blood, nutrients, oxygen, carbon dioxide, and hormones throughout the body. It consists of the heart, blood vessels, and blood.
There are two main circuits involved in circulating gases and nutrients:
Pulmonary Circulation: This circuit moves blood between the heart and the lungs. Deoxygenated blood is pumped from the heart to the lungs where it releases carbon dioxide and picks up oxygen.
Systemic Circulation: This circuit carries oxygenated blood from the heart to various parts of the body, supplying organs and tissues with oxygen and nutrients before returning deoxygenated blood back to the heart.
The parts of the circulatory system that carry blood and materials throughout the body are:
Heart: The muscular organ that pumps blood through the circulatory system.
Blood Vessels: These include arteries, veins, and capillaries, which transport blood to various parts of the body.
Blood: The fluid that carries oxygen, nutrients, hormones, and waste products.
There are three types of blood vessels, each serving a distinct function:
Arteries: These carry oxygen-rich blood away from the heart to the body's tissues. They have thick walls to handle high pressure.
Veins: These return deoxygenated blood back to the heart. Veins have thinner walls and often have valves to prevent backflow of blood.
Capillaries: These are the smallest blood vessels connecting arteries and veins. They have thin walls that allow the exchange of oxygen, carbon dioxide, and nutrients between blood and tissues.
