- Your respiratory system is the system in your body that is responsible for breathing.
True
False
- The lungs are made up of thick fibrous tissue.
True
False
- Internal respiration takes place in the alveoli.
True
False
- The alveoli are located at the end of the bronchi.
True
False
- The hemoglobin in blood combines with oxygen when the blood flows through areas where oxygen concentration is high.
True
False
- Marijuana does not contain carcinogens.
True
False
- It is more difficult to stop smoking cigarettes if you use marijuana regularly.
True
False
- It takes as long as 3 days for the body to eliminate the chemical effect that marijuana has on the body.
True
False
- The drug THC acts as a stimulant and can improve strength, balance, and coordination.
True
False
- People who quit smoking usually cannot reverse the adverse affects caused by cigarettes.
True
False
False
False
False
False
False
False
False
False
False
False