chapter 6

Question 1

two major groups of organs that make up human digestive system

Answer 1

alimentary canal, accessory organs

Question 2

alimentary canal (ref: 1 of 2 major organ groups of digestive system)

Answer 2

organs through which food passes (oesophagus, stomach, intestines)

Question 3

accessory organs (ref: 2 of 2 major organ groups of digestive system)

Answer 3

aid in digestion but do not transfer food (salivary glands, pancreas, liver, gall bladder)

Question 4

oesophagus

Answer 4

tube connecting oral cavity to stomach (separated from trachea by the epiglottis)

food mixed with saliva then move in a bolus w action of peristalsis

Question 5

peristalsis

Answer 5

action when food is mixed with saliva and moved in bolus

Question 6

stomach

Answer 6

temporary storage tank where food mixed by churning + digestion begins

its lined w gastric pits releasing digestive juices, creating an acidic environment (ph ~ 2)

Question 7

small intestine

Answer 7

long highly folded tube where usable food substances (nutrients) = absorbed

consisting of 3 sections: duodenum, jejunum, ileum

Question 8

large intestine

Answer 8

final section of alimentary canal, where water + dissolved minerals = absorbed

Consists of ascending / transverse / descending / sigmoidal colon, + rectum

Question 8

large intestine

Answer 8

final section of alimentary canal, where water + dissolved minerals = absorbed

Consists of ascending / transverse / descending / sigmoidal colon, + rectum