Exam 15: Respiratory System

A nasal meatus is created by the

The hilus is found

How are the lungs of a pig divided?

The nasal septum separates

If an animal breathes in 500 milliliters with each resting breath and takes 15 breaths per minute, how many liters has the animal inspired and expired in 1 minute?

The unconscious act of breathing is controlled by the respiratory center in the

The main expiratory muscles are the

The trachea splits into two bronchi at the

Phonation in an animal begins in the

Sinuses are outpouchings of the

The acceptable range of pH in most animals is

The flow of oxygen from inspired air into an alveolar capillary is dependent on the

If the CO₂ level in blood rises above a preset limit, how will the respiratory center adjust the breathing to compensate?

In a relaxed state the diaphragm assumes a dome shape with

When the external intercostal muscles contract, they rotate the ribs

The vocal cords are composed of

The blood vessel that brings blood to the lungs from the heart is the

Antitussives are best used to treat a

The space between each tracheal ring is composed of

Which thoracic structure would you find outside the mediastinum?