What is the group of organs that take oxygen from the air and remove carbon dioxide from the body?
The respiratory system
100
What are the tiny blood vessels called with thin walls through which oxygen, nutrients, and wastes pass?
Capillaries
100
Cells release energy by using oxygen to break down ___________
Sugar (from our food)
100
The group of organs that gets rid of cell wastes is called the ___________________
excretory system
100
Your urine flows from the the kidneys into tubes. These tubes lead to the ___________, where the urine is temporarily stored.
urinary bladder
200
As your cells work, they make a gas called ______________
carbon dioxide
200
After red blood cells release their ____________, they flow back to the heart through the veins.
oxygen
200
We all need oxygen and __________ to stay alive.
Food
200
Most carbon dioxide travels in ________
plasma
200
True or false: Your kidneys clean all of your blood about forty times a day.
true
300
The respiratory system includes your nose, your lungs, and __________________________.
The tubes that connect them.
300
Cells use __________ to repair damage and grow.
energy
300
Nutrients are carried by ___________
plasma
300
True or false: The body's respiratory system is responsible for removing protein wastes from the body.
false
300
True or false: One reason the body excretes water is to maintain a normal body temperature.
true
400
The nose does 3 things to the air that enters the nostrils as it prepares it for the lungs. What are those three things? Your teammates may help you with this.
It warms the air, moistens it, and cleans it.
400
Red blood cells filled with oxygen are bright red. What is their color when they lose their oxygen?
Dark, purplish
400
How much of the energy that your body needs is produced in your body's cells?
All of it!
400
Your ___________ are responsible for cleaning and filtering cell wastes from the blood.
kidneys
400
The organs that contain millions of tiny tubes that filter nitrogen wastes from the blood are called ___________
kidneys
500
A thick, sticky liquid called mucus is produced by the __________
lining of the nose
500
The exchange of carbon dioxide for oxygen takes places in the ______________
air sacs
500
When your cells use oxygen to break down the sugar, the result is the release of __________
energy
500
A liquid is formed in the kidneys consisting of nitrogen wastes, some salts, and excess water. What is this liquid called?
urine
500
The body rids itself of excess water through the kidneys (urine), lungs (exhaling), and ___________ (sweating).