Respiratory System Physiology

Front

What is the volume that remains in the lungs even after a forceful exhale?

Back

residual volume

Front

What muscles are used in breathing in and breathing out?

Back

diaphragm and intercostals

Front

The volume of a normal breath

Back

500mL

Front

What is the volume of one breath called?

Back

tidal volume

Front

The amount of air you can force out after a normal breath out

Back

Expiratory Reserve

Front

The amount of air you can still inhale after a normal breath in

Back

Inspiratory Reserve

Front

The Maximum Volume of air that you can get in and out of your lungs

Back

4800mL

Front

Which lung capacity is the volume of air that can be maximally exhaled after a maximum inhalation? Options: inspiratory capacity, functional residual capacity, vital capacity, total lung capacity

Back

vital capacity

Front

Tidal volume

Back

The volume of air breathed in and out during one breath

Front

When the diaphragm contracts...

Back

the volume of the thoracic cavity increases and the pressure decreases, causing air to rush into the lungs.