Describe the composition of human blood stating the general shape and functions of blood cells
Answers
Explanation:
The formed elements are so named because they are enclosed in a plasma membrane and have a definite structure and shape. All formed elements are cells except for the platelets, which are tiny fragments of bone marrow cells. ... Erythrocytes, also known as red blood cells (RBCs).........The main job of red blood cells, or erythrocytes, is to carry oxygen from the lungs to the body tissues and carbon dioxide as a waste product, away from the tissues and back to the lungs. Hemoglobin (Hgb) is an important protein in the red blood cells that carries oxygen from the lungs to all parts of our body.
Red blood cell, also called erythrocyte, cellular component of blood, millions of which in the circulation of vertebrates give the blood its characteristic colour and carry oxygen from the lungs to the tissues. The mature human red blood cell is small,
Answer:
components of blood :
plasma - carries protiens, nitrogenous wastes etc
wbc - white blood cells protection of body against foreign invaders
rbc red blood cells - haemoglobin, hormones etc
platelets - blood clotting
cell are disc shaped in size