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WorksheetsCirculatory System
Total questions: 25
Worksheet time: 22mins
Name
Class
Date
1.
The bottom chambers of the heart are called
a)
ventricles
b)
atria
c)
vena cava
d)
valves
2.
_________ Carry blood away from the heart to various organs
a)
Arteries
b)
Capillaries
c)
Veins
3.
__________ Very small tubes that connect arteries to veins; the smallest blood vessels.
a)
Veins
b)
Capillaries
c)
Arteries
4.
What is the main organ in the circulatory system?
a)
vein
b)
lung
c)
heart
d)
aorta
5.
What is the function of the heart?
a)
To pump blood around the body
b)
To remove oxygen from the blood
c)
To allow blood to flow through it
d)
To breath
6.
How many types of blood vessels are in our body?
a)
1
b)
2
c)
3
d)
4
7.
Veins carry oxygen poor blood back to the heart.
a)
False
b)
True
8.
Carbon dioxide is considered a _________________
a)
food
b)
waste
c)
energy
d)
fun party favor
9.
The circulatory system works with the ___________ system to provide our body with oxygen.
a)
respiratory
b)
digestive
c)
muscular
d)
skeletal
10.
Red blood cells transport __________ around our body.
a)
oxygen
b)
plasma
c)
bones
d)
cardiac muscles
11.
What is the purpose of white blood cells?
a)
carry oxygen
b)
fight pathogens
c)
help the kidneys
d)
identifies blood type
12.
Red blood cells are produced in the...
a)
pancreas
b)
Heart
c)
Muscles
d)
Bone marrow
13.
Your heart has _____ chambers
a)
1
b)
2
c)
3
d)
4
14.
Arteries carry oxygen rich blood away from the heart.
a)
True
b)
False
15.
What does Deoxygenated mean?
a)
Oxygen-rich
b)
Blood flow
c)
Oxygen-poor
d)
Water Flow
16.
Identify
a)
Pulmonary veins
b)
Pulmonary artery
c)
Aorta
d)
Vena cava
17.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
18.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
19.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
20.
What do Red-Blood cells do?
a)
Carry oxygen from the lungs to the body cells and transport carbon dioxide from the cells back to the lungs
b)
keeps blood flowing in one direction to the heart and prevent blood from flowing backwards
c)
Collects blood from the capillaries and drain it into the veins
d)
Bring nutriients to the cells and carries away waste materials.
21.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
22.
What part of blood is responsible for fighting infections?
a)
Red Blood Cells
b)
White Blood Cells
c)
Platelets
d)
Plasma
23.
What part of blood is responsible for carrying oxygen and carbon dioxide to or from body cells?
a)
Red Blood Cells
b)
White Blood Cells
c)
Platelets
d)
Plasma
24.
What does blood consist of?
a)
plasma, red blood cells, white blood cells, platelets
b)
hormones, oxygen, nutrients, water
c)
red blood cells
d)
carbon dioxide and minerals
25.
Another name for the circulatory system is __________________________________________ because they describe the system that consists of the heart, blood vessels, and blood.
a)
Cardiovascular System
b)
Heart
c)
Vein
d)
Artery
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