function of digestion 4

Question 1

what is the first part of the small intestine

Answer 1

duodenum

Question 2

what happens to chyme in the duodenum

Answer 2

chyme is neutralized by bicarbonate from pancreatic secretions

Question 3

what juices does the duodenum receive

Answer 3

alkaline bile juices

Question 4

where does the alkaline bile juices come from

Answer 4

gallbladder

Question 5

what do the alkaline bile juices do

Answer 5

neutralize acidic chyme

Question 6

what does the duodenum produce a large number of and give examples

Answer 6

brush border enzymes — proteases, lactase and other disaccharides and bicarbonate

Question 7

what does villi and microvilli (largely ileum) do in the small intestine

Answer 7

absorb water soluble (polar,hydrophillic) digested nutrients into blood

Question 8

what does villi and microvilli do to lipids

Answer 8

convert lipids into lacteals as chylomicrons and vitamin b12

Question 9

what does blood carrying nutrients pass from and to

Answer 9

from the small intestine to liver through hepatic portal duct

Question 10

what does blood carrying nutrients from the small intestine to liver through hepatic portal duct allow

Answer 10

allows livers enzymes to deaminate amino acids

convert ammonia to urea

metabolize consumed toxins

store glucose as glycogen