Inhalation and Exhalation

Front

What happens to the intercostal muscles during exhalation?

Back

The intercostal muscles relax.

Front

What is the position of the ribs during exhalation?

Back

The ribs move downwards.

Front

What is the air pressure inside the lungs during exhalation?

Back

The air pressure inside the lungs is higher.

Front

What happens to the intercostal muscles during inhalation?

Back

The intercostal muscles contract.

Front

What is the position of the ribs during inhalation?

Back

The ribs move upwards.

Front

What is the air pressure inside the lungs during inhalation?

Back

The air pressure inside the lungs is lower.

Front

What is the oxygen content in the lungs during inhalation?

Back

Oxygen content is higher than carbon dioxide.

Front

What is the oxygen content in the lungs during exhalation?

Back

Oxygen content is lower than carbon dioxide.

Front

What is the primary muscle involved in inhalation?

Back

The diaphragm.

Front

What is the primary muscle involved in exhalation?

Back

The diaphragm relaxes.