What is blood made up of?
Red blood cells, white blood cells, and plasma
The heart is divided into how many chambers?
4
What are the three types of blood vessels?
arteries, capillaries, and veins
Your _____________ is a measure of how fast your heart is beating per minute.
Pulse
The liquid part of the blood is ______________
plasma
Where does circulation begin in the body?
the heart
Which blood vessel carries blood away from the heart?
arteries
What are the tubes that carry blood all over the body?
blood vessels
Which component of the blood carries oxygen and removes waste?
red blood cells
The upper chambers of the heart are the
atria
Which blood vessel carries blood towards the heart?
veins
What are the folds that prevent blood from traveling in the wrong direction?
Which component of the blood themselves to germs and viruses that cause disease?
White blood cells
The lower, larger chambers of the heart are the
ventricles
Which tiny blood vessel connects the arteries and veins?
capillaries
70 to 80
What is found in the blood that makes the blood clot to prevent a lot of blood from escaping the body?
Platelets
Which muscular organ pumps blood throughout the body?
the heart
The walls of capillaries are so thin, that _____________ and _____________ can pass through them.
nutrients and oxygen
What is the purpose of the circulatory system?