| A | B |
|---|
| the respiratory system controls | breathing |
| the nasal cavity is behind the | nose |
| a liquid that traps dirt and dust | mucus |
| hollow spaces in the face | sinuses |
| another name for windpipe | trachea |
| at the end of the bronchioles are | alveoli |
| it passes into the blood from the alveoli | oxygen |
| moves the blood throughout the body | blood |
| blood is carried away from the heart in | arteries |
| breathing out is called | exhale |
| carry blood to the heart | veins |
| a waste gas | carbon dioxide |
| Breathing in | inhale |
| another name for air sacs | alveoli |
| the smallest part that makes up a living thing | cells |
| a group of body parts and organs that work together to perform a job | system |
| cells of the same kind group together to form | tissue |
| several kinds of tissue that work together form | organs |
| blood vessels that connect arteries and veins are called | capillaries |
| three main parts of the circulatory system | heart, blood, blood vessels |
| name the three types of blood vessels | arteries, veins, capillaries |
| four ways to keep your heart healthy | exercise, eat healthy foods, get plenty of sleep, and don't smoke |
| Your nose helps | protect you |
| the path air takes when you inhale | nose or mouth, windpipe, bronchi, bronchioles,alveoli, oxygen goes into blood |
