Mammalian Anatomy HW#--Digestion and Respiration

1. The epiglottis covers the laryngeal opening when you swallow. What is the significance of this action?

The epiglottis prevents food and beverages from entering the airways by blocking the entrance to the larynx.

2. The __________ or windpipe delivers air to the bronchial tree.

Trachea

3. Inspiratory muscles include the _______.

Diaphragm and external intercostals

**The inspiratory muscles include the hemidiaphragms, external intercostals, scaleni, sternomastoids, trapezius, pectoralis major, pectoralis minor, subclavius, latissimus dorsi, serratus anterior, and muscles that extend the back.

4. Inspiratory muscles act to __________ thoracic volume whereas expiratory muscles act to __________ thoracic volume.

Increase; decrease

5. Which mesentery connects the stomach to the inferior surface of the liver?

Lesser omentum