Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
14 Cards in this Set
- Front
- Back
|
How many times in a day does your heart beat?
|
100,000 times in a day.
|
|
|
Circulatory system
|
The name given to the heart,blood vessels,and blood which transport oxygen and nutrients to all parts of the body as well as carrying waste products.
Hint: it is the name given to the heart and what? |
|
|
Medieval beliefs about the circulatory system:
|
Blood was like a tide that oozed in all directions without a particular path.
The heart controls your emotions. |
|
|
heart:
|
heart is a hollow muscular organ that is the size of your clenched fist and is the primary organ of the circulatory.
|
|
|
how many gallons does your heart pump in a day?
|
3,400 gallons it can also pump 12 gallons per min
|
|
Label the heart diagram
|
right atrium
right ventricular left atrium left ventricular septum semi values aorta pulmonary artery |
|
|
Pulmonary Artery
|
Only artery that carries oxygen poor-(deoxygenated) blood.
|
|
|
Arota
|
main artery of circulatory system.
|
|
|
Semi-lunar valves
|
A valve between each ventricle of the heart ,and the artery connected to that ventricle, preventing blood flowing back into the heart.
|
|
|
Septum
|
wall separating two ventricle walls preventing mixing of blood.
|
|
|
The heart needs
|
Oxygen and nutrients which are delivered by blood.
|
|
|
Heart disease
|
is clogged by narrowing or clogging of blood vessels in the heart.
|
|
|
possible causes of heart disease are
|
plague-deposit of fatty or fibrous material in a blood vessel wall.
choleserol-waxy substance that occurs naturally in small amounts. extra cholesterol is deposited in blood vessel walls. |
|
|
how to prevent heart disease
|
1. eat healthy
2. don't smoke 3. exercise 4. don't eat a lot of unhealthy food |
