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Circulatory system

Total questions: 27

Worksheet time: 54mins

Name
Class
Date
1.

What does your heart do?

a)

pumps blood through your body

b)

protects your body

c)

helps your exercize

2.

Your heart is about the size of your __________.

a)

mouth

b)

fist

c)

show

3.

Blood carries ____________ to the heart.

a)

vitamins

b)

germs

c)

oxygen

4.

Your heart pumps blood throughout your entire body through little tubes called _____________.

a)

veins

b)

arteries

c)

hoses

5.

Your heart pumps blood throughout your entire body through little tubes called _____________.

a)

veins

b)

arteries

c)

hoses

6.

Blood is carried back to your heart in little tubes called ____________.

a)

veins

b)

arteries

c)

hoses

7.

What does circulate mean?

a)

pump blood

b)

beat quickly

c)

go around and around

8.

Which is NOT a way to exercise your heart?

a)

Running

b)

Sitting on the couch

c)

Swimming

9.

Which describes all the parts of the circulatory system?

a)

heart, lungs, stomach, muscles

b)

heart, blood, arteries, and veins

c)

bones, skin, hair

10.

What is the main organ of the circulatory system?

a)

small intestine

b)

bone

c)

lungs

d)

heart

11.
How many types of blood vessels are in our body?
a)
1
b)
2
c)
3
d)
4
12.
______________ are the smallest blood vessels.
a)
Arteries
b)
Veins
c)
Capillaries
13.
The circulatory system works with the ___________ system to provide our body with oxygen.
a)
respiratory
b)
digestive
c)
muscular
d)
skeletal
14.
The circulatory system works with the __________ system to obtain energy from nutrients that we eat. 
a)
respiratory 
b)
digestive
c)
skeletal
d)
nervous
15.
Which is the correct definition of the Circulatory system?
a)
The system fights disease so the body stays healthy.
b)
The system that circulates blood and oxygen through the body, consisting of the heart,blood vessels,and blood.
c)
Breaks down food into smaller pieces and absorbs those nutrients into the body.
d)
Provides shape and structure for the body.
16.
What function does the heart do?
a)
Protects organs and produces red blood cells.
b)
Generates heat.
c)
Breaks down food into nutrients.
d)
The heart is a pump, which moves the blood. The arteries and veins are the pipes where the blood flows.
17.
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.
18.
What is the Circulatory System also known as?
a)
The heart
b)
Cardiovascular System
c)
Nervous System
d)
Aorta
19.
What does blood do?
a)
Carries Water to cells
b)
Carries Oxygen to cells
c)
Carries Food to cells
d)
All of the above 
20.
What is the purpose of antibodies?
a)
To pump lymph through the vessels
b)
To create lymph
c)
To fight infection
d)
To remove old red blood cells
21.
The lymphatic structure that closely parallell veins are called?
a)
Capillaries
b)
Lymph
c)
Lymph Vessels
22.
 A lymphatic structure located in the upper left quadrant of the abdomen is called ?
a)
Lymph
b)
Lymph fluid
c)
Spleen
23.
The largest lymphatic structure is?
a)
Lymph
b)
tonsils
c)
Spleen
24.
A soft tissue inside the bone that produces blood cells
a)
immune cells
b)
lymph nodes
c)
spleen
d)
bone marrow
25.
Which of the following cells are responsible for fighting diseases? 
a)
White Blood Cells
b)
Red Blood Cells
26.
A soft tissue inside the bone that produces blood cells
a)
immune cells
b)
lymph nodes
c)
spleen
d)
bone marrow
27.
What "happens" in the lymph nodes?
a)
Excess glucose in the lymph is stored in the liver
b)
Carbon dioxide is removed from the lymph and passed to the lungs for exhalation
c)
Lymph is oxgenated and pumped through the body
d)
Lymph is cleaned of foreign antigens and debris