Respiratory System
Circulatory System
Excretory and Digestive Systems
Other Cool Stuff
The Nervous System
100
What are the chief organs of the respiratory system?
Lungs
100
How many hollow chambers does the heart have?
Four
100
What are the chemicals that break down food in the body called?
Enzymes
100
These two gasses are expelled when we exhale
Carbon Dioxide and Water Vapor
100
What are the two parts of the central nervous system?
The spinal cord and the brain
200
What does hair in our nose do for us?
Cleans and moisturizes the air
200
Other than the heart, what does the circulatory system consist of?
All the blood vessels working together
200
This is kind of gross (and sometimes a bit smelly), but it is what our body does to remove salt waste.
Sweat
200
We see the largest organ in the human body everyday. It is
The skin
200
This part of your brain is responsible for thinking
Cerebrum
300
Name three body parts, other than the lungs, that are essential in the respiratory system.
nose, mouth, trachea, bronchi, alveoli
300
What are the three types of blood cells in our body?
red, white, and platelets
300
If your small intestine was straight, it would be about this long.
About 20 ft long
300
What is one way to raise your heartbeat?
Exercise, fear, excitement
300
Other than the spinal cord and the brain, all of the other nerves in the body make up this.
The peripheral nervous system
400
True or False: Smoking makes the lungs more like elastic and it becomes easier to breathe.
False
400
What are the top two chambers of the heart called?
Right and left atrium
400
Sweat helps the body to regulate what?
body temperature
400
Blood is pumped away from the heart using these
arteries
400
What bones protect the many nerves of the spinal cord?
Vertebrae
500
What is the scientific name for the tiny airsacs located in your lungs?
Alveoli
500
The heart is a muscle about the size of this
Your fist
500
What is the organ that filters liquid waste in the body?
The kidneys
500
When does the diaphragm move up during the breathing process?
When you exhale
500
What are the five senses?
sight, hearing, touch, taste, and smell
M
e
n
u