Deliver oxygen to the cells.
Collect germs, bacteria and waste that are in the body.
Produce white blood cells.
The sebaceous gland.
The lymph nodes.
The sweat gland.
The pituitary gland.
Drains excess tissue fluid from around the cells and transports it back to the blood system.
Supplies the tissues with oxygen and nutrients.
They kill the invaders, such as bacteria.
To neutralise the blood.
Balance, neutralise, defend
Transport, regulation, protection.
Regulation, constriction, vaso-dilation
Relax, remove, drain