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12 questions
Why is the blood that flows from the lungs to the heart bright red?
It has oxygen in it
It has carbon dioxide in it
It has food coloring in it
It has waste in it
What system breaks food down into energy for the body?
Stomach
Digestive System
Respiratory system
Lungs
The muscular organ that pumps blood through out your body is your _________
diaphragm
heart
veins
arteries
Food is broken down to supply energy for your body in the ____________
digestive system
nervous system
excretory system
skeletal system
What does the nervous system do ?
Controls the brain
helps you breath
sends messages throughout the body
helps you digest food
What is the main function of the respiratory system
Brain
Muscles
heart
lungs
What does your body use food for ?
to breath
for nutrients
Fun
to think
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