WorksheetsHuman Circulatory System PreAssess
Total questions: 34
Worksheet time: 36mins
What is the main organ of the circulatory system?
small intestine
bone
lungs
heart
The job of the heart is to . . .
pump blood around the body.
send food to the small intestines.
break down food.
give energy to the body.
The heart is about the size and shape of your . . .
head
fist
hand
foot
Running is an activity that causes the cells in the muscular system to use oxygen at a faster rate. Which system responds by delivering more oxygen to these cells?
digestive
nervous
circulatory
endocrine
What is the main function of the circulatory system?
secrete enzymes
digest proteins
produce hormones
transport materials
Which gas is transported by the circulatory system in humans and is used by cells during respiration to release energy stored in food?
carbon dioxide
nitrogen
hydrogen
oxygen
Select the structure and explanation of how it contributes to the way the human system functions.
heart replaces carbon dioxide with oxygen
blood vessels transport nutrients and oxygen
heart replaces oxygen with carbon dioxide
blood vessels pump heart rate
What is the main organ of the circulatory system?
small intestine
bone
lungs
heart
The heart is divided in...
three atriums and two ventricles.
right and left atriums and ventricules.
pulmonary veins and aorts.
The color of the veins is...
blue.
red
green
The color of the arteries is...
blue
red
green
Choose the white cells.
Blood is made up...
by four main components, Plasma, Red Blood Cells, White Blood Cells, and Platelets.
by plasma and platelets.
by red blood cells, white blood cells.
Veins are...
two of the body's main type of blood vessels.
blood vessels that carry blood low in oxygen from the body back to the heart for reoxygenation.
As the blood reaches the lungs, what is removed from the blood?
oxygen
carbon dioxide
red blood cells
white blood cells
State the general relationship between exercise and heart rate in humans.
If a person exercises, then their heart rate will not change
If a person exercises, then their heart rate will increase
If a person exercises, then their heart rate will decrease
Person exercising and heart rate are not related
through them.
What part of the heart is circled in yellow?
Left atrium
Right atrium
Left ventricle
Right ventricle
What part of the heart is circled in yellow?
Left atrium
Right atrium
Left ventricle
Right ventricle
What part of the heart is circled in yellow?
Left atrium
Right atrium
Left ventricle
Right ventricle
What part of the heart is circled in yellow?
Left atrium
Right atrium
Left ventricle
Right ventricle
The five main parts of the circulatory system are?
heart, blood, nutrients, flakes, skin
heart, blood, valves, crust, mantle
heart, blood, veins, arteries, capillaries
heart, blood, cells, skin, nerves
The ____________ carries blood throughout the body;
the ____________ carries blood only to and from the
lungs.
systemic circulation; pulmonary circulation
pulmonary circulation; systemic circulation
venous circulation; arterial circulation
arterial circulation; venous circulation
The RED blood vessels are:
Arteries
Veins
The BLUE blood vessels are:
Arteries
Veins
They are the connection between the veins and the arteries and they trade OXYGEN for WASTE.
Veins
Arteries
Capillaries
Heart
They transport oxygen to all the body.
Platelets
Red blood cells
White blood cells
They are the inmune system that protect us from illnesses and deseases.
Platelets
Red blood cells
White blood cells
