Chemical Digestion Flashcards
1
Q
Ways that water moves into the GI tract and where it occurs
A
- ingestion
- GI secretions: saliva, gastric juice, bile, pancreatic juice, and intestinal juice all contain water
2
Q
Ways that water moves out of the GI tract and where it occurs
A
absorption: small intestine absorbs about 8 L of water and large intestine absorb about 0.8 L of water
3
Q
What important ions need to be absorbed?
A
- NA+
- K+
- Cl-
4
Q
What hormones help sodium and calcium absorption?
A
sodium: aldosterone
calcium: calcitriol
5
Q
What are vitamins?
A
organic nutrients that our bodies need in small amounts to function properly
6
Q
Why do we need vitamins?
A
they play essential roles in various metabolic processes, like enzyme function, cell growth, and overall health
