What part of the digestive system chews the food?
mouth and teeth
What is the liquid in your mouth called?
saliva
Which organ mixes and churns the food?
stomach
What is the liquid is inside your stomach that breaks down food?
acid
Which intestine is the longest?
small intestine
Which intestine is fatter?
large intestine
What does the large intestine absorb?
water and nutrients
What is the main purpose of the digestive system?
to break down food into nutrients and energy
What is the large tube that connects the mouth to the stomach called?
esophagus
What leaves the large intestine?
waste (poop)
Which system is responsible for breathing?
respiratory system
Which system is responsible for circulating blood throughout the body?
circulatory system
Which organ pumps blood throughout the body?
heart
What is the main organ used for breathing?
lungs
Besides breathing, what else does our respiratory system let us do?
talk, sing, shout, cough, sneeze, etc.
What do we call the bones that protect our lungs and heart?
ribs or rib cage
