blood
Why do red blood cells look red?
What does the heart do?
it helps pump the blood and carry and transport nutrients, oxygen, waste, heat, hormones, and the immune system.
What is a vein?
A blood vessel that carries blood back to the heart.
How many times does your heart beat a day?
It beats around 100,000 times a day.
Which enters the heart, oxygenated or deoxygenated blood?
Deoxygenated blood.
What do white blood cells do?
Because they fight off germs and infections.
how many beats per min does your heart beat?
60 beats per min
What is an artery?
A blood vessel that carries blood away from the heart.
What is the cardiac cycle?
It is the coordinated sequence of the heart's contractions and relaxations.
Which blood goes through the body, oxygenated or deoxygenated.
Oxygenated blood.
What are platelets?
They are small cell fragments that clump together to form a clot.
Do valves help your blood?
Yes, they help prevent the backflow of blood.
What's the difference between arteries and veins?
Arteries move them away from the heart, and veins move towards the heart.
What does blood pressure have to do with the human blood functions?
It makes the heart pressure/beat steady and normal.
What happens to the oxygen in the blood when it leaves the heart?
the blood level decreases.
What is plasma?
The watery part of blood.
How many different chambers are in your heart?
there are 4 chambers in your heart.
What do coronary arteries do?
coronary arteries branch off the aorta and eventually deliver blood to the capillaries.
What is blood pressure?
forced blood against the walls of your arteries as your heart beats.
What happens to the oxygen when the blood leaves the heart?
The oxygen level in the blood gets lower.
What do red blood cells do?
The hemoglobin grabs oxygen from your lungs and delivers it to the rest of your body.
The heart is divided into two distinct separated sections, what are the two sections?
Deoxegynated blood and oxygenated blood.
What could happen if there was a blockage to your coronary artery?
It would block the blood flow and cause a heart attack.
What does heart rate do for you?
Supply oxygen, and nutrients, and remove waste.
Can deoxygenated and oxygenated blood mix sometimes?
yes.