Answer:
Red blood cells, also called erythrocytes, are the most abundant cell type in the blood.
The primary function of red blood cells is to transport oxygen to body cells and deliver carbon dioxide to the lungs.
Elaphants because they illegal to kill because people over kill them for there ivory tusk.
Answer:
Off-pump coronary artery bypass
Explanation:
In this heart bypass surgery a vein or artery from another part of the body is taken and used as a graft to replace the blocked coronary artery. The benefit of this type of surgery is that there is negligible chances of rejection of the graft because the graft has been taken from the same body. A surgical cut is made inside leg, between the ankle and groin and one end of the graft is attached to coronary artery whereas the other end to the opening of aorta.
Radial artery of wrist is also common graft in heart bypass surgery.
Answer: Erythrocytes also known as Red blood cell compose about 40-45% of blood
Explanation: 40-45% of the blood volume is erythrocytes i.e the red blood cell. It contains heamoglobin a special protein that carries oxygen to the lungs.
