Circulatory System

Circulatory  System

Definition:

The circulatory system is the same that the cardiovascular system , the circulatory system
transport oxygen to  the blood . 

Parts:

The 4 chambers are : 

- The right atrium

- The left atrium

- The right ventricle

- The left ventricle

Main functions:

The circulatory system is made up of blood vessels that carry blood ,arteries that carry blood away from the heart and veins that carry blood back to the heart. 

The main function of the circulatory system is to transport blood to the whole body.

The heart usually beat 60 to 100 times per minute wich each heart beat the heart transport oxigen 

to the blood then the heart sends blood to the lungs   to pick up more oxigen. There are a lot of cells but the cells that are into the blood are : white blood cells red blood cells and platelets.

Relationship with other systems:

Digestive system: the digestive system takes the nutrients our body needs these nutrients are put into the blood stream for the cells to use as energy In other words, the digestive system puts the nutrients in the blood stream.

Respiratory system: It enters trought the lungs into the alveoli from there sends oxigen to the blood.

Illneses can afect circulatory system: 

Heart atack: a heart atack occurs when not enough blood reaches your heart.

leukemia: its blood cancer the symptoms are: infections , fever , loss of apettite , tiredness , bleed easily , Inflammation , sweats , diffilculty breathing and pain in the bones.