Pulse
Throbbing movement of blood is called the pulse and it is due to the blood flowing in the arteries.72 pulse beats in one minute.
Transportation in Animals and Plants
Blood vessels
, Two types of blood vessels, arteries and veins are present in the body. Arteries carry oxygen-rich blood from the heart to all parts of the body. Since the blood flow is rapid and at a high pressure, the arteries have thick elastic walls.
BLOOD
One type of cells are the red blood cells (RBC) which contain a red pigment called haemoglobin. Haemoglobin binds with oxygen and transports it to all the parts of the body and ultimately to all the cells. The blood also has white blood cells (WBC) which fight against germs that may enter our body. The …