Cardio-vascular System Flashcards
The most important muscle in the body ..!
The heart
Without the heart ?
Human life would be not possible
The average rate of the heart ..!
72 times per minute
The heart consists of ..!
Four chambers
Are made up of ..!
Several layers of cardiac muscle
The upleft chamber is called ..!
Left atrium
The low-left chamber is called ..!
Left ventricle
The upright chamber is called ..!
Right atrium
The low-right chamber is called ..!
Right ventricle
The contraction phase of the heart
Systole
The relaxation phase of the heart ..!
Diastole
During systole ..!
O2 blood go to the aorta from the left ventricle through the arteries to the all organs of the body .
During diastole ..!
The C2O blood passed back to the right atrium through the veins and the vena cava , then to the right ventricle and to the pulmonary artery , to be sent to the lungs , where C2O removed and O2 added .
The cardio-vascular system consists of ..!
artery , arterioles , vein , venules and capillaries .
The cardio-vascular system also carries ..!
Carries hormones which are secreted by glands , directly into the bloodstream .
