The respiratory system is essential for life.

Related to the process of breathing or the organs involved in it.
She has a respiratory condition that affects her breathing.
Doctors study respiratory diseases to find better treatments.
The respiratory rate can indicate a person's health status.
respiratory system
respiratory disease
respiratory function
breathing
pulmonary
lung-related
The doctor checked her respiratory health.

Relating to the process of breathing or the organs involved in breathing.
She has a respiratory infection.
The respiratory system is vital for life.
He uses a respiratory device to help him breathe.
respiratory disease
respiratory function
respiratory therapy
breathing
pulmonary
ventilatory