Blood
what are the four types of blood?
Red blood cells, white blood cells, Platelets, and plasma.
What are two activities that you participate in that might increase heart rate.
Soccer and basketball.
what is the most important vein?
vena cava.
What controls your heart rate?
Your automatic nervous system.
what drink causes high oxygen level?
water
what is the definition of red blood cells?
These are tiny cells that look like saucers. They are red because they contain a protein called hemoglobin which grabs oxygen from your lungs and delivers it to the rest of the body.
What are two activities that participate in might decrease heart rate.
Laying down or sitting.
What are veins made out of?
tissue
What increases your heart rate?
Anything active.
what part of our body absorbs oxygen from the air?
Lungs.
What is the definition of white blood cells?
These are the body's diefeuse team, fighting off germs and infections by identifying and destroying them.
What are two activities that might increase your rate of respiration.
gardening or cleaning.
what color are veins?
blue, green, or purple.
What is a bad heart rate?
More than 100 beats per minute.
what happens to our body if we don't get enough oxygen?
it would damage our heart or brain
What is the definition of Platelets.
these are small cell fragments that always together to form a clat when you get a cut, venting too much blood from leaking out.
What are two activities that might decrease your rate of respiration.
meditating or sleeping.
Do veins have a pulse?
No they usually don't.
What is an average heart rate.
60 to 100 beats per minute.
is oxygen essential for life?
yes
What is the definition of plasma?
think of plasma like a watery part of your blood where all the other blood cells float around. It comes important things like nutrients and proteins around the body.
What do the heart valves do?
they prevent the backward flow of blood.
How do veins work?
It brings oxygen to the heart.
What causes high blood pressure?
Drinking too much caffeine.
how does oxygen get from the air to our cells?
A protein called hemoglobin carries oxygen throughout the body.