Functions of the Blood

All multicellular organisms need a transport system, and in humans it is the blood

Blood has four main components: They are:

• Plasma
• Platelets
• Red blood cells
• White blood cells

Plasma is the Liquid Bit of Blood:

It's basically blood minus the blood cells, Plasma is a pale yellow liquid which carries just about everything that needs transporting around your body

• Red and white blood cells and platelets
• Digested food products (like glucose and amino acids) from the gut to all the body cells
• Carbon dioxide form the body cells to the lungs
• Urea from the liver to the kidneys 9where its removed in the urine
• Hormones which act as chemical messengera
• Heat energy

Platelets are Small Fragments of Cells that Help Blood Clot

• When…