Question

Our blood is mostly water.blood has the most important job of circulating nutrients and ions every cell in our body. the only reason blood is able to do this is because

Answer 1

Circulatory system
The circulatory system delivers oxygen and nutrients to cells and takes away wastes.
The heart pumps oxygenated and deoxygenated blood on different sides.
The types of blood vessels include arteries, capillaries and veins.


Capillaries are small, thin blood vessels that connect the arteries and the veins. Their thin walls allow oxygen, nutrients, carbon dioxide and waste products to pass to and from the tissue cells