Respiratory System
What is the name of the tube that air travels through after entering the body?
What is the trachea?
What is the main organ of the circulatory system?
What is the heart?
Where does digestion begin in the body?
What is the mouth?
What do muscles do to help move bones?
What is contract and relax?
What is the main function of the respiratory system?
What is to deliver oxygen to the body and remove gaseous waste?
What do blood vessels do?
What is carry blood throughout the body?
What organ is responsible for most digestion?
What is the small intestine?
How many types of muscles are there?
What are three types?
What muscle helps push air in and out of the lungs?
What is the diaphragm?
What type of blood vessel carries blood away from the heart?
What are arteries?
What substance in the mouth helps break down food?
What is saliva?
What type of muscle is found in the heart?
What is cardiac muscle?
What are the small air sacs in the lungs called where oxygen is added to the blood?
What are alveoli?
What type of blood vessel carries blood back to the heart?
What are veins?
What do the liver and pancreas send to the small intestine?
What are chemicals to help break down food?
What do muscles need to perform their tasks?
What is oxygen?
How does oxygen enter the blood in the lungs?
What is through the walls of the alveoli?
What happens when the chambers of the heart relax?
What is they fill with blood?
Why does the digestive system break down food?
What is to use nutrients for energy, growth, and repair?
Why are muscles important for the bones in your body?
What is they allow bones to move?