Digestive System
The start of the digestive system
What is the mouth?
A system that helps you breathe
What is the respiratory system?
Chambers and valves
What are the two features of the heart?
An enzyme in saliva that breaks down carbohydrates
What is amylase?
The lung's two functions
What is ventilation and gas exchange?
The entry chambers of the heart
What are the atriums?
The acid inside the stomach that breaks down harmful bacteria
What is hydrochloric acid?
Movement of air into and out of the lungs
What is ventilation?
The exit chambers of the heart
What are the ventricles?
Neutralizes stomach acid to protect the small intestine
What is alkaline bile?
The movement of gases between the alveoli and the blood
What is gas exchange?
Function of the valves
What is to stop blood from flowing backwards?
Absorbs water from food and passes undigested food (feces)
What is the function of the large intestine?
A muscular sheet separating the lungs from the abdomen
What is the diaphragm?
Where blood goes from the heart
What are the arteries?