Respiratory system
Circulatory system
Blood vessels
Lungs
interesting facts
100

What is the purpose of the respiratory system

What is bringing oxygen into the body

100

What is main function of the circulatory system?

What is the heart

100

What are blood vessels?

What is a system of small tube like passages that carry blood

100

What are lungs?

What are Spongy organ which is filled with air and is where gas exchange happens 

100

What is the only organ that floats

What is the lungs

200

What does the cilia do in the nose and airway

What is trap dust in and pathogens 
200

What is the difference from arteries and veins?

What is veins carry blood back to the heart and are not as flexible as arteries but larger in diameter  

200

What direction do arteries carry blood?

What is away from the heart

200

Why is the left lung smaller than the right one?

What is to make room for the heart

200

Why do people yawn 

What is to increase the oxygen intake

300

How many alveoli are in the human body 

What is 600 million

300

What is one way of keeping your circulatory system healthy 

What is don't do drugs or smoke

300

What are the three main blood vessels?

What are veins, capillaries, and arteries. 

300

How many alveoli are in the lungs  

What is 600 million

300
How do people hiccup?

What is sudden movements of the diaphragm 

400

Why do people hiccup?

What is sudden movements of the diaphragm 

400

What are the 2 main components of the circulatory system?

What is the heart and blood vessels

400

What direction do veins carry blood?

What is towards the heart

400
What do alveoli do in the lungs

What is gas exchange

400

What habit helps keep the respiratory system healthy 

What is exercise and avoid smoking 

500

What is the purpose of the epiglottis? 

What is to prevent food from going in the airway

500

How does blood flow through the heart?

What is left and right ventricles pump blood out left and right atrium receive blood.  

500

What are capillaries and why are they important? 

what is Tiny blood vessels that carry blood between arteries and veins connecting them together
500

How does oxygen travel from lungs to the bloodsteam?

What is through alveoli and capillaries 

500

What happens when the body needs more oxygen during physical activity? 

What is breathing rate increases

M
e
n
u