Digestive, Circulatory, and Respiratory Systems

In the stomach, ______________ and gastric juices churn the food into a thick liquid.

• the tongue

• the liver

• stomach muscles

• the pancreas

What comes before the stomach?

• Large Intestine

• Small Intestine

• Esophagus

• Kidney

Which system allows you to breathe?

• Respiratory System

• Circulatory System

• Digestive System

• Skeletal System

Which system with the heart, arteries and veins apart of?

• Cardiovascular 

• Circulatory

• Respiratory

• Immune

Food is chewed in the mouth and mixed with _________?

• the liver

• gastric juices

• saliva

• bile

Our lungs ...

• breathe in oxygen and breathe out carbon dioxide.

• breathe in carbo.

• breathe in helium and breathe out oxygen.

• breathe in oxygen and breathe out helium.

What is another word for your windpipe?

• esophagus

• sinuses

• trachea

• alveoli

Your _______ is a muscle connected to the bottom of your lungs that helps your lungs expand and contract when you breathe.

• esophagus

• alveoli

• trachea

• diaphragm

The breakdown of food into small molecules, which are then absorbed into the body is the main function of which body system.

• integumentary system

• digestive system

• excretory system

• endocrine system

This human body system is a series of organs responsible for taking in oxygen and expelling carbon dioxide.

• nervous system

• integumentary system

• respiratory system

• excretory system