heart
how big is your heart?
about the size of your fist.
what carries blood away from your heart?
arteries
what is arrhythmias?
when your heart has irregular or abnormal heartbeats
what does blood bring to your cells?
blood brings nutrients and oxygen to your cells
this carries blood back to the heart?
veins
what does your heart do?
pumps blood around your body
What is the main job of veins?
To move blood towards the heart!
The three most common heart problems.
1.coronary heart disease
2.stroke
3.aortic disease
blood is returned to the right side of the heart by?
The vena cava!
pulmonary
carries blood from the heart to the lung.
The human heart has four chambers.
right atrium
right ventricle
left atrium
left ventricle
Compare the amount of muscle in veins and arteries?
There's a lot of muscle in the arteries and way less in the veins!
can heart diseases be cured?
they cannot be cured!
what parts of the circulatory system contains oxygen rich blood?
lungs, left atrium, left ventricle, pulmonary veins, aorta, body
Aorta
carries blood from the heart to the body.
what is a heart attack?
a heart attack is when a part of the heart muscles doesn't get enough blood
compare the pressure within veins and arteries.
Arteries have high pressure and veins have low pressure!
hypertension can?
damage organs!
what parts of the circlatory system contains oxygen poor blood?
lungs, right atrium, right ventricle, pulmonary arteries, vena cava, body
veins
carry blood back to te heart.
what is cardiac arrest
cardiac arrest is whenever your heart stops completely
How one way valves help in veins help maintain circulation?
It allows the blood to have stopped from going backwards!
hypertension can be caused from?
lack of exercise.
poor diet. cholesterol (a fat like chemical) can coat the inside of arteries resulting in it becoming narrow.
(condition known as arteriosclerosis)
how many steps are there for your blood circulations?
there are 7 steps
vena cava
carries blood from the body to the heart.
(superior and inferior)