Ventilation in Mammals

What does ventilation consist of?

What is ventilation controlled by?

What happens during inspiration?

TRUE OR FALSE
Inspiration is an active process

What happens during expiration?

TRUE OR FALSE
Expiration is an active process

What happens during forced expiration?

How does a spirometer work?

What is tidal volume?

What is vital capacity?

What is breathing rate?

What is oxygen uptake?

Complete the sentences:
The total volume of gas in the chamber __________ over time; the air that is breathed out is a mixture of _____ and ____. The CO₂ is absorbed by the _____ _____, the oxygen gets used up by respiration and the total _________ decreases.

What must be done to get a valid reading?

What does a spirometer trace look like?

How is oxygen uptake measured?

TRUE OR FALSE:
On a spirometer trace, upwards = breathing out