Explain circulatory system through a diagram.

Unfortunately, I'm unable to create or display images or diagrams directly. However, I can describe the circulatory system to you.

The circulatory system is a network of organs and vessels that transports blood, oxygen, nutrients, and hormones to cells throughout the body and removes waste products like carbon dioxide. It consists of the heart, blood vessels (arteries, veins, and capillaries), and blood.

Here's a brief description of how the circulatory system works:

Heart: The heart is the muscular organ that pumps blood throughout the body. It is divided into four chambers: two atria (upper chambers) and two ventricles (lower chambers). The right side of the heart receives deoxygenated blood from the body and pumps it to the lungs for oxygenation, while the left side receives oxygenated blood from the lungs and pumps it to the rest of the body.

Arteries: Arteries are blood vessels that carry oxygen-rich blood away from the heart to the body's tissues and organs. The largest artery is the aorta, which carries blood from the left ventricle of the heart to the rest of the body.

Veins: Veins are blood vessels that carry oxygen-poor blood back to the heart. They have valves that prevent blood from flowing backward. The largest vein is the vena cava, which carries blood from the body back to the right atrium of the heart.

Capillaries: Capillaries are tiny blood vessels that connect arteries and veins. They are where the exchange of oxygen, nutrients, and waste products occurs between the blood and the body's cells.

Blood travels in a continuous loop through these blood vessels, driven by the pumping action of the heart. This circulation ensures that all cells in the body receive the oxygen and nutrients they need to function properly and that waste products are removed efficiently.