What is the function of red blood cells?
To carry oxygen
Name a type of blood vessel.
Arteries, veins, capillaries.
What is the purpose of the heart?
To pump blood
What happens to heart rate if you exercise?
It increases
Name the 3 types of blood cells.
Red blood cells, white blood cells, platelets
Which direction (to or from the heart) do arteries bring blood?
Away from the heart
How many chambers does the heart have?
4
What happens to blood vessels near the skin if it is cold outside?
They constrict
Which blood cell has a nucleus?
White blood cell
Though which blood vessels does diffusion take place?
Capillaries
What are the names of the chambers of the heart?
Right atrium, right ventricle, left atrium, left ventricle
If you move to the mountains, what will happen to your red blood cell count?
It will increase
Where are blood cells created?
Inside long bones in bone marrow from stem cells.
How many cells thick is a capillary wall?
1
What are the blood vessels that supply blood to the heart muscle called?
Coronary arteries
How does getting vaccinated relate to blood?
White blood cells learn to recognize invading viruses and bacteria.
How many hemoglobin proteins on one red blood cell?
4
What is the name of the vein that brings blood from the head to the right atrium?
Superior vena cava
What is the name of the valve in between the right atrium and right ventricle?
Tricuspid valve
What is the name of the machine that measures the electrical activity of the heart?
Electrocardiogram