Question

write few lines on blood​

Answer 1

Explanation:

Blood is a significant component of our body which constitutes almost 7% of the body weight. Blood donation is a noble act where a healthy person donates blood for the use of ailing people. There are four main types of blood groups, namely A, B, O, and AB.

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Answer 2

THE ANSWER IS:-

Blood is a body fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells. In vertebrates, it is composed of blood cells suspended in blood plasma.

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