Y8 Human Body

The trachea is made of many rings. Which material are these made of?

What does the large intestine do?

What is the pH of the stomach acid?

Air enters the lungs from the mouth through what?

Heart problems, high blood pressure, and diabetes are often a result of what?

What is breathing?

An athlete who has just exercised heavily needs what nutrient to help their body recover?

How many chambers does the heart have ?

Which type of cell in the trachea pushes out bacteria, dirt and mucus? 

What is the main addictive chemical found in cigarettes?

What is respiration?

Diffusion occurs due to the random movement of particles

What is the name of the 'pipe' the food travels down to the stomach?

Why are carbohydrates needed for our bodies?

what do the arteries do

What do veins do?

What is the function of the heart?

Diffusion of gases between the lungs and blood stream occurs where?

The role of the pharynx is what?