ANSWERS 2026/2027 || HUMAN ANATOMY & PHYSIOLOGY
FUNDAMENTALS, BODY SYSTEMS & HOMEOSTASIS ||
GRADED A+
132 VERIFIED QUESTIONS & ACCURATE ANSWERS
what is defecation? - CORRECT ANSWER - elimination of feces
What is the defecation reflex? - CORRECT ANSWER - an involuntary
response of the lower bowels promoting or even inhibiting a bowel movement.
what is degluition? - CORRECT ANSWER - swallowing
what is mastication? - CORRECT ANSWER - chewing
what is peristalsis? - CORRECT ANSWER - the involuntary constriction and
relaxation of the muscles of the intestine
what is segmentation? - CORRECT ANSWER - ring like constrictions in
several places along the intestines
what is the product of chief cells? - CORRECT ANSWER - pepsinogen
what is the product of enteroendocrine cells? - CORRECT ANSWER -
serotonin
,what is the product of parietal cells? - CORRECT ANSWER - hydrochloric
acid (HCl)
What do chief cells secrete? - CORRECT ANSWER - pepsinogen and gastric
lipase
where are chief cells absent? - CORRECT ANSWER - cardial and pyloric
glands
Where are chief cells found? - CORRECT ANSWER - gastric glands
What do enteroendocrine cells secrete? - CORRECT ANSWER - hormones
and paracrine messengers that regulate digestion
where are enteroendocrine cells found? - CORRECT ANSWER - all regions
of the stomach, most abundant in gastric and pyloric glands
What do parietal cells secrete? - CORRECT ANSWER - HCl, intrinsic factor,
ghrelin
where are parietal cells found? - CORRECT ANSWER - mostly gastric glands
and a few pyloric glands
, what are the main organs of the digestive system? - CORRECT ANSWER -
mouth, pharynx, esophagus, stomach, small intestine, large intestine
what are the accessory organs of the digestive system? - CORRECT ANSWER
- teeth, tongue, salivary glands, liver, gallbladder, and pancreas
what are the functions of the digestive system? - CORRECT ANSWER -
ingestion, digestion, absorption, compaction, defecation
what are the functions of the small intestine? - CORRECT ANSWER - mix
chyme with digestive juices, bring food in contact with mucosa for absorption,
complete digestion of macromolecules
what are the functions of the large intestine? - CORRECT ANSWER - absorb
salts and water from the materials that havent been digested, motility (haustral
contractions)
where does the small intestine receive enzymes from? - CORRECT ANSWER
- pancreas and liver
what does pepsin do? - CORRECT ANSWER - breaks down proteins
where does pepsin break proteins? - CORRECT ANSWER - stomach