Story of blood explain
Answers
Explanation:
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. ... Vertebrate blood is bright red when its hemoglobin is oxygenated and dark red when it is deoxygenated.
Answer:
Blood is a fluid connective tissue that helps in the transportation of various nutrients such as glucose ,amino acids, fatty acids,vitamins etc, carbon dioxide nitrogenous waste and other substances like salt in dissolved form. The blood contains RBC,WBC, plasma and platelets. Oxygen is carried by the RBC, WBC protects the body from bacteria and other germs, and the platelets help in blood clotting. The blood is pump by the heart. First it enters the left atrium for oxygenation and pumps the blood to left ventricles ,from left ventricle it flows through the entire body(organs) and through arteries reaches the oxygenated blood to the cells through capillaries and from various organs it flows back to the heart through veins and enters the right atrium which pumps again to the right ventricle .