Question

_ described the blood
circulation in human body in _ century​

Answer 1

Answer:

The circulatory systemis made up of bloodvessels that carry bloodaway from and towards the heart. Arteries carryblood away from the heart and veins carry blood back to the heart. Thecirculatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.

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Answer 2

Answer:

blood is made up of liquid and solids. The liquid part, called plasma, is made of water, salts, and protein. Over half of your blood is plasma. The solid part of your blood contains red blood cells, white blood cells, and platelets. Red blood cells (RBC) deliver oxygen from your lungs to your tissues and organs