Podcast
Questions and Answers
Which gas constitutes approximately 21% of the air we breathe?
Which gas constitutes approximately 21% of the air we breathe?
- Methane
- Carbon dioxide
- Nitrogen
- Oxygen (correct)
Which system is most directly involved in the delivery of oxygen to body tissue?
Which system is most directly involved in the delivery of oxygen to body tissue?
- Nervous system
- Circulatory system
- Respiratory system (correct)
- Digestive system
What is the waste product of cellular respiration?
What is the waste product of cellular respiration?
- Glucose
- Water
- Oxygen
- Carbon dioxide (correct)
What is the process of gaseous exchange between the individual and the environment called?
What is the process of gaseous exchange between the individual and the environment called?
Which process refers to the movement of gases in and out of the lungs?
Which process refers to the movement of gases in and out of the lungs?