What are the lungs used for?
Breathing
Is the heart a muscle or organ?
Muscle
What does the circulatory system carry?
Blood
What does the respiratory system do?
Allows you to breathe
Are the circulatory and respiratory systems different?
Yes
How many lungs are there in a human body?
2
What two body parts does the heart sit between?
Lungs
What color is blood?
Where does the respiratory system start?
Nose and mouth
How many times can the circulatory circle earth?
Twice!
Which lung is bigger, right or left?
Right
The heart is the center of what system?
Circulatory
What carries blood across the body and back to the heart?
Veins
Where does the respiratory system end?
Alveoli
What protects the lungs and the heart?
Ribcage
What important body part sits between both lungs?
Heart
How many parts does the heart have?
4
What color cells carry oxygen across the body?
Red
What is at the center of your body that is part of the respiratory system?
Lungs
How many alveoli sacs are there in a body?
Around 600 million
What are the tiny air sacs that are produce oxygen into your blood?
Alveoli
What is the main point of the heart?
To pump blood.
If all of the circulatory system was laid down, how far would it stretch?
60,000 miles
What carries oxygen down to your alveoli?
Bronchioles
What is another name for the throat?
The trachea