WorksheetsYour Circulatory System
Total questions: 20
Worksheet time: 10mins
- What are the three major parts of the circulatory system?
heart, blood, blood vessels
heart, lungs, stomach
blood, lungs, brain
blood vessels, heart, brain
Your heart is __________.
an organ
a body system
a nervous system
a skeletal system
Your heart is about the same size as which other part of your body?
foot
fist
head
toe
What is the heart's job?
to pump your blood
provide new blood cells
get rid of oxygen
produce carbon dioxide
What is the blood's job?
to move things your body needs
to pumps blood
to create oxygen
to create carbon dioxide
Which is NOT part of your circulatory system?
blood
blood vessels
stomach
heart
Beans and green vegetables are a good source of __________, which is good for your blood.
vitamin C
iron
oxygen
sodium
The heart is actually made of __________ separate pumps.
4
2
3
5
The heart is a voluntary muscle.
True
False
The __________ is a protective covering which keeps the heart from rubbing against your lungs and chest wall.
chamber
septum
valve
pericardium
The muscular wall called the __________ divides the two sides of the heart.
pericardium
valve
chamber
septum
What kind of cells surround germs and swallow them?
antibodies
white blood cells
red blood cells
protein
Immunity is your body's ability to resist disease.
True
False
A vaccine has ___________ germs in it.
safe
no
dead or weakened
many kinds of
Which kind of blood vessel carries oxygenated blood away from the heart?
veins
arteries
capillaries
What kind of blood vessel carries deoxygenated blood toward the heart?
veins
capillaries
arteries
What powerful muscle keeps the blood moving throughout the body?
capillaries
arteries
heart
kidneys
The four main parts of blood are white blood cells, platelets, plasm, and __________.
oxygen
red blood cells
carbon dioxide
bone marrow
Red blood cells have no nucleus.
True
False
What is the main job of red blood cells?
fighting disease
clotting blood
carrying oxygen and carbon dioxide
producing bone marrow
