Unit 3 chemical digestion

Is gastric juice highly acidc

yes

ph of 2

gastric juice is produced by

cells in the gastric gland

Mucous cells are located in

gastric pit

Mucous cells are

activity dividing and

secrete thick protective mucous

Paritel cells are cells of the

gastric gland

Parietal cells secrete

intrinsic factor and

hydrochloric acid

Intrinsic factor facilities absorption of

vitamin B12

Vitamin B12 is needed for

erythropoiesis

Hydrocholric acid explains the

acidity

Hydrochloric acid

kills microbes

softens the cells wall of plant material

What helps denature proteins (unfold proteins

hydrochloric acid

chief cells are cells of the

gastric gland

cheif cells secrete

pepsinogen

pepsinogen is active or inactive

inactive

pepsin an active enzyme

breaks down proteins into short fragments

G cells (pylorus) aka

endocrine cells

G cells produce

gastrin (hormone)

G cells are increase…

gastric moltitly and gastric juice secretion