AEMT HOW DO WE BREATHE?

What is the primary waste product of aerobic metabolism?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Hydrogen

Which muscle is primarily responsible for breathing?

• Biceps

• Heart

• Diaphragm

• Abdominal muscles

How does the body adjust breathing during exercise?

• Breathing does not change

• Decreases breathing rate

• Increases breathing rate

• Stops breathing momentarily

What is the role of chemoreceptors in respiration?

• They move air in and out

• They detect changes in blood gases

• They produce oxygen

• They contract muscles

What happens during inspiration?

• Air is expelled from the lungs

• Carbon dioxide levels decrease

• The diaphragm relaxes

• Air is drawn into the lungs