Biology: Breathing
Test Quiz
1. Humans breathe through which of the following systems?
a. Cardiovascular System
b. Nervous System
c. Digestive System
d. Respiratory System
e. Endocrine System
2. Which of the following substances do we breathe in?
a. Carbon Dioxide
b. Nitrogen
c. Water
d. Hydrogen
e. Oxygen
3. Which specific complex molecule do we get from eating?
a. DNA
b. RNA
c. Dihydrogen Monoxide
d. Glucose
e. Insulin
4. Which of the following expands our lungs during the breathing process?
a. Thyroid
b. Diaphragm
c. Pharynx
d. Epiglottis
e. Trachea
5. What are the tiny air sacks at the ends of the bronchi called?
a. Ravioli
b. Linguine
c. Alveoli
d. Fettuccine
e. Rigatoni
6. Where is oxygen stored in our bodies?
a. Brain
b. White Blood Cells
c. Diaphragm
d. Red Blood Cells
e. Thyroid
7. Which of the following substances do we breathe out?
a. Carbon Dioxide
b. Nitrogen
c. Water
d. Hydrogen
e. Oxygen
8. True or False: Our nose helps cool down air prior to getting to our lungs.
a. TRUE
b. FALSE
c.
d.
e.
9. What happens when we exercise?
a. It feels easier to breathe because we are getting stronger
b. Our hearts pump slower to conserve oxygen
c. Our lungs will try to breathe harder and faster to get more oxygen
d. We use up all the carbon dioxide in our red blood cells
e. Our muscles store energy
10. True or False: We couldn't talk without air.
a. TRUE
b. FALSE
c.
d.
e.
About this quiz: All the questions on this quiz are based on information that can be found on the Biology: Breathing page at www.ducksters.com/science/breathing.php.
This quiz is copyright property of Ducksters and TSI. All rights reserved. Please visit www.ducksters.com.