Respiratory System
This is the gas our bodies need to survive that we breathe in using the respiratory system.
oxygen
These are found in the larynx and are used to speak.
vocal chords
What is the name of the tube that connects the larynx to the lungs (the air we breathe travels through here)?
trachea (windpipe)
The circulatory system is made up of what two main parts?
The heart and the blood vessels
Blood travels through our bodies in these tube-like structures.
blood vessels
This is the waste gas that our bodies breathe using the respiratory system.
carbon dioxide
These are two areas where the respiratory process begins.
nose and mouth (nasal and oral cavities)
This material in our bodies is like Ms. Chelsie's parenting style - firm but flexible.
cartilage
The heart can be divided into two ____.
Hint - upper and lower
chambers
These blood vessels are connected to the lower chambers of the heart and allow blood to leave the heart and flow through the body.
arteries
These are stretchy sac-like organs in our chest that air is pulled into when we breathe.
lungs
This slimy substance helps protect the respiratory system by trapping pollutants and other unwanted substances.
Mucus
These tubes branch off of the trachea and travel into the lungs.
bronchi
Blood enters the heart through these chambers _____.
atria
These blood vessels are connected to the upper chambers of the heart and allow blood to enter the heart.
veins
This is a large dome-shaped muscle that sits below the lungs and is used during the breathing process.
diaphragm
These structures help protect the respiratory system by "wiggling" and "flicking" away pollutants and other unwanted substances.
Cilia
The bronchi get smaller as they enter the lungs. What are these smaller tubes are called?
bronchioles
Blood exits the heart through these chambers _____.
ventricles
These are very thin blood vessels that connect the two larger types of blood vessels.
capillaries
The whole respiratory system is known as an ______ of gases.
exchange
Bonus - name the gases
Describe how the epiglottis functions.
This lid-like structure opens to let air pass to the lungs and closes to let food and drink pass to the stomach.
These are tiny air-filled sacs at the end of the bronchioles where the exchange of oxygen and carbon dioxide takes place.
alveoli
The heart is able to pump blood because it is considered this type of bodily tissue.
muscle
Name the main vein connected to the heart AND the main artery connected to the heart.
vena cava and aorta