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