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Transcript of Cardiovascular System
Pumps the blood
Consists of cardiac muscle tissue
Has 4 chambers
Beats up to 100,000 per day
Pumps over 2,000 gal. of blood per day
1. enters right antrium
2. goes to right ventricle
3. goes to lungs
4. enters left antrium
5. goes to left ventricle
6. enters aorta
Over 60,000 miles
There are 3 types of blood vessels
: Carry oxygen rich blood away from the heart
: thin vessels that exchange oxygen and CO2
: carry blood back toward the heart.
Carries nutrients and
oxygen to cells, also
Red blood cells contain hemoglobin that carry oxygen
White blood cells fight off infections
Platelets stop bleeding
Plasma is mostly water and makes up 7% of your weight
Leading cause of death
Heart attack: blood vessels in the heart are blocked
Stroke: blood vessels are blocked
Aneurysm: blood vessel breaks open
Trans fat are bad for you HDL is good cholesterol LDL is bad
Stay away from partial hydrogenated oil