Question

How much blood does the average adult have in his or her body?

Answer 1

Blood is termed as a fluid which occurs in our body and other animals which helps in transportation of necessary substances which include oxygen and nutrients. It is needed to deliver substances to the cells of various body parts and collect waste substances from cells to excrete out of the body.

Complete answer:
Blood is termed as a fluid connective tissue of red colour, salty, and being alkaline or colloidal in nature. It is a necessary fluid of the body which is needed in transportation of substances like oxygen and nutrients to cells and helps to excrete metabolic waste products away from those same cells. There are four different kind of functions of blood which are given below:

1.Blood plays a role in absorption of digested part of the food and transports it to all cells of the body.
2.It is helpful in transportation of oxygen from lungs to cells and transportation of carbon dioxide developed by cells to lungs.
3.It performs a major function in transportation of excreta such as uric acid, urea etc. to the kidney.
4.It is needed to protect us from various diseases like monocytes and neutrophils that help in digesting the harmful bacteria and other disease-causing organisms. Hence, blood is needed in our body in many ways and it is an important part of our body.
The average adult that has a weight of 150 to 180 pounds should have about 1.2 to 1.5 gallons of blood in Their body. This constitutes about 4,500 to 5,700 mL.

Note: Blood is developed in bone marrow and we can donate our blood as it is produced again by our body. There are many different blood groups in the human body and only a particular type of blood can be donated to a needy person. There are many blood donation centres in which we can donate our blood.