Human Body Test

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Name: __________________________________
Date: __________
Science Quiz – systems and organs in the human body
1.
What human body feature allows the respiratory system to take in
oxygen?
A. muscles pull the lungs open to draw in air
B. the heart is divided into four chambers
C. the excretory system carries waste products to the lungs
D. the stomach muscles are able to churn and mix food
2.
What is a tissue?
A. a single cell
B. a collection of different types of cells
C. a collection of organs that work together
D. a collection of the same types of cells that have one job
3.
The heart, arteries, and veins are all part of what body system?
A. circulatory
B. respiratory
C. immune
D. muscular
4.
Which other system works with the muscular system to provide
physical support for the body?
A. digestive
B. skeletal
C. respiratory
D. circulatory
5.
Which organ allows the circulatory system to pump blood
through the body?
A. lungs
B. bladder
C. intestines
D. heart
6.
What parts of the body does the femur connect?
A. the knee to the foot
B. the elbow to the hand
C. the hip bone to the knee
D. the shoulder to the elbow
7.
What human body system do the lungs belong to?
A. nervous system
B. digestive system
C. circulatory system
D. respiratory system
8.
What body system changes the food we eat into energy?
A. skeletal system
B. nervous system
C. digestive system
D. respiratory system
9.
A hinge joint, such as your elbow, and a ball and socket joint,
such as your shoulder, are part of which system in your body?
A. skeletal system
B. nervous system
C. digestive system
D. respiratory system
10.
What tube gets food from your mouth to your stomach?
A. esophagus
B. urethra
C. spinal cord
D. small intestine
11.
What body system in responsible for carrying oxygen and other
nutrients to other organs throughout your body?
A. respiratory
B. digestive
C. circulatory
D. muscular
12.
Which body system controls all of your other systems?
A. circulatory
B. digestive
C. nervous
D. muscular
13.
Which organ is the most important in the circulatory system?
A. liver
B. capillaries
C. stomach
D. heart
14.
If you stretch this out, it would be about 20 feet long. What is it?
A. small intestines
B. urethra tube
C. foot
D. arm
15.
These organs remove carbon dioxide from your body every time
you breathe. What are they?
A. kidneys
B. lungs
C. femurs
D. salivary glands
16.
What major organ does your backbone protect?
A. brain
B. heart
C. spinal cord
D. stomach
17.
How many muscles do you have?
A. 2
C. about 650
B. about 100
D. about 6000
18.
What set of bones protects most of our internal organs?
A. the ribs
B. the skull
C. the spine
D. the phalanges
19.
Which statement in NOT true.
A. Your blood transports oxygen to the rest of the body.
B. You could not survive without at least one healthy kidney.
C. Your skin is the largest organ in your body.
D. Your spinal cord is in the skeletal system.
20.
When you exercise, your lungs take in oxygen and your blood
carries the oxygen to your muscles. Which 2 systems are at work?
A. skeletal and muscular
B. muscular and digestive
C. respiratory and circulatory
D. respiratory and nervous
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