Digestive System

The end products of aerobic respiration are:

Carbon dioxide, water, and energy (ATP)

The functions of the oral cavity include all of the following, except:

absorption of monosaccharides

the small wormlike structure attached to the posteromedial surface of the cecum is the:

appendix

Each of the following organs is a component of the digestive tract, except the:

bladder

The part of the stomach that functions as a mixing chamber for food and secretions is the:

body

Which region of the stomach does the esophagus connect to?

cardia

he human liver is composed of _____ lobe(s).

four

Portion of the stomach that is superior to the junction between the stomach and the esophagus?

fundus

Bile is stored in the

gallbladder

The digestive tract is also referred to as the:

gastrointestinal tract

Which of these enhance the absorptive effectiveness of the small intestine?

intestinal movements the villi the microvilli the plicae circulares

the middle segment of the small intestine is the:

jejunum

What organ is primarily responsible for water absorption?

large intestine

the sum of all biochemical processes going on in the human body at any given time is called:

metabolism

Waves of muscular contractions that propeel the contents of the digestive tract are called:

peristalsis

Factors that influence an individual's BMR include all of the following, except:

physical exertion

The region of the stomach that empties into the duodenum is the:

pylorus

A balanced diet should:

- provide essential amino acids and fatty acids - contain adequate amounts of vitamins and minerals - contain adequate amounts of water - include adequate substrates for the production of energy

How many net ATP molecules are produced by the complete metabolism of one glucose molecule?

36 ATP

Which of the following is not a function of the digestive system?

Filtraction

Cells synthesize new organic components for which of the following reasons?

growth and repair structural maintenance produce secretions store nutrients

During glycolysis:

hydrogen atoms are removed from organic molecules a molecule of glucose is converted into two pyruvic acids two molecules of ATP are consumed four molecules of ATP are produced

Digestion refers to the

mechanical and chemical breakdown of food

Which of the following is a function of the tongue?

sensory analysis mechanical processing secretion of mucus manipulation to assist with chewing

Reactions within _____ provide most of the energy needed by a typical cell:

the mitochondria

_____ pair(s) of salivary glands secrete into the oral cavity:

three

The space between the cheeks or lips and the teeth is called the:

vestibule