circulatory system

The function of the circulatory system are:

-Carry oxygen from the lungs to the tissues and carbondioxide from the tissues to the lungs.

-Help in fighting infections.

-Helps to maintain the Ph of the blood.

-Parts of the circulatory system:

*Heart: is a muscular organ responsible for pumping blood through the blood vessels by rhythmic contractions.

*Blood vessels:

-Arteries: carry the blood away from the heart.

-Capillaries: enable the actual exchange of water and chemicals between the blood and the tissues.

-Veins: carry blood from the capillaries back towards the heart.

*Blood: is a specialized bodily fluid that delivers necessary substances to the body's cells and transports waste products away from those same cells.