Which of the following statements about the functions of the respiratory system is true?
a. the respiratory system works in conjunction with other systems in the body to produce articulated speech
b. the respiratory structures warm, filter, and humidify the air we breathe
c. the nasal mucosa lining the upper nasal cavity is lined with olfactory receptors enabling the sense of smell
d. all of the listed statements are true
Ans: d. all of the listed statements are true
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Carboxypeptidase is an enzyme that helps digest
A. amino acids within the stomach. B. complex carbohydrates within the small intestine. C. peptides within the small intestine. D. disaccharides within the duodenum. E. starch within the stomach.
Mucosa-associated lymphoid tissues include all of the following EXCEPT ________
A) palatine tonsils B) islets of Langerhans C) lingual tonsils D) Peyer's patches
Stimulation of the taste buds increases gastric secretions
Indicate whether the statement is true or false
The integumentary system ________
A) is a site for blood-cell formation B) breaks down ingested food C) protects the deep organs from injury and drying out D) contributes to the acid-base balance of the blood