WorksheetsDigestive, Circulatory, and Respiratory Systems
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
What is the first stop in the digestive system?
a)
mouth
b)
esophagus
c)
stomach
d)
small intestine
2.
Your _____ moves food from your mouth to your stomach.
a)
large intestine
b)
small intestine
c)
colon
d)
esophagus
3.
Which organ squeezes and mixes your food into a mushy liquid?
a)
mouth
b)
stomach
c)
large intestine
d)
small intestine
4.
Your __________ is over 20 feet long and uses enzymes to chemically break down your food so your blood can absorb all the nutrients to feed your body.
a)
mouth
b)
stomach
c)
small intestine
d)
large intestine
5.
The _______ is the place where your body has its last chance to absorb nutrients and water from the food you have eaten and it is also the place where the leftovers are turned into waste.
a)
mouth
b)
esophagus
c)
small intestine
d)
large intestine
6.
Which of the following shows the correct digestive process?
a)
stomach, esophagus, small intestine, large intestine, mouth, colon
b)
mouth, esophagus, stomach, large intestine, small intestine, colon
c)
mouth, stomach, esophagus, small intestine, large intestine, colon
d)
mouth, esophagus, stomach, small intestine, large intestine, colon
7.
What organ pumps blood throughout your body?
a)
veins
b)
arteries
c)
heart
d)
blood vessels
8.
What carries blood away from your heart?
a)
Arteries
b)
Veins
c)
Capillaries
d)
Valves
9.
Blood consists of blood cells and ______.
a)
veins
b)
plasma
c)
pressure
d)
arteries
10.
The ______ is the body's main artery that comes out of the heart with blood full of oxygen.
a)
capillary
b)
vein
c)
aorta
d)
plasma
11.
Capillaries pass ______ is passed to muscles and tissues and your waste is passed back.
a)
carbon dioxide
b)
oxygen
c)
white blood cells
d)
plasma
12.
_______________ and platelets fight diseases in your body.
a)
white blood cells
b)
red blood cells
c)
plasma
d)
valves
13.
What are the main organs in the respiratory system?
a)
heart
b)
lungs
c)
stomach
d)
intestines
14.
Our lungs ...
a)
breathe in oxygen and breathe out carbon dioxide.
b)
breathe in carbo.
c)
breathe in helium and breathe out oxygen.
d)
breathe in oxygen and breathe out helium.
15.
What is another word for your windpipe?
a)
esophagus
b)
sinuses
c)
trachea
d)
alveoli
16.
Your _______ is a muscle connected to the bottom of your lungs that helps your lungs expand and contract when you breathe.
a)
esophagus
b)
alveoli
c)
trachea
d)
diaphragm
17.
The small air sacs that are surrounded by blood vessels are the _______.
a)
alveoli
b)
bronchi
c)
bronchioles
d)
trachea
18.
The alveoli is where ________, that was inhaled, is exchanged for _________, which is exhaled.
a)
food, waste
b)
oxygen, carbon dioxide
c)
oxygen, food
d)
carbon dioxide, oxygen
19.
The process of breathing is called __________.
a)
Circulation
b)
Perspiration
c)
Digestion
d)
Respiration
20.
How are the respiratory and circulatory systems connected?
a)
The respiratory system takes in food and the circulatory system takes the food to your muscles.
b)
The respiratory system takes in blood and the circulatory system takes the blood to your muscles.
c)
The respiratory system takes the oxygen to your muscles and the circulatory system takes in oxygen.
d)
The respiratory system takes in oxygen and the circulatory system takes the oxygen to your muscles.
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