Essentials of Anatomy and Physiology

Secondary bronchi: to the lobes of each lung (three right, two left) Bronchioles—no cartilage in their walls. Pleural Membrane ...

Physiological dead space—the volume of non- functional alveoli; decreases compliance. Exchange of Gases External respiration ...

The Respiratory System 365 REVIEW QUESTIONS State the three functions of the nasal mucosa. (p. 344) Name the three parts of the ...

At a construction site, a hole caved in and buried a workman up to his shoulders in wet sand. The fore- man told the trapped ma ...

CHAPTER 16 The Digestive System 367 ...

368 CHAPTER 16 Chapter Outline Divisions of the Digestive System Types of Digestion End Products of Digestion Oral Cavity Teeth ...

The Digestive System 369 New Terminology Alimentary tube (AL-i-MEN-tah-ree TOOB) Chemical digestion (KEM-i-kuhl dye-JES-chun) Co ...

Ahurried breakfast when you are late for work or school...Thanksgiving dinner... going on a diet to lose 5 pounds... what do the ...

The Digestive System 371 Tongue Teeth Parotid gland Sublingual gland Submandibular gland Esophagus Liver Left lobe Stomach (cut) ...

the roots of the second molars. In such cases, extrac- tion of a wisdom tooth may be necessary to prevent damage to other teeth. ...

goal of using saliva rather than blood for diagnostic tests. PHARYNX As described in the preceding chapter, the oropharynx and l ...

374 The Digestive System Table 16–1 THE PROCESS OF DIGESTION Enzyme or Organ Other Secretion Function Site of Action Salivary gl ...

375 Small intestine Mucosa Submucosa External muscle layer Serosa Epithelium Lacteal Capillary network Lymph nodule Lymphatic ve ...

thin layers of smooth muscle. In the esophagus the epithelium is stratified squamous epithelium; in the stomach and intestines i ...

types of cells; their collective secretions are called gas- tric juice. Mucous cellssecrete mucus, which coats the stomach linin ...

ence of food in the stomach causes the G cells to secrete gastrin, a hormone that stimulates the secre- tion of greater amounts ...

ous system; the enteric nervous system can function independently and promote normal peristalsis. There are three sources of dig ...

380 Right hepatic vein Liver Cystic duct Inferior vena cava Left hepatic vein Hepatic duct Common bile duct Hepatic artery Porta ...

Because the gastric juice that enters the duodenum is very acidic, it must be neutralized to prevent dam- age to the duodenal mu ...

presence of food in the duodenum. The intestinal enzymes are the peptidases and sucrase, maltase, and lactase. Peptidasescomplet ...