Energy and metabolism

Question 1

what is glycogenolysis

Answer 1

glucogon is a hormone that produces glycogen, glycogen is a form of glucose and glucose is produced when glycogen goes through the liver

Question 2

what happen when you eat in terms of BGL levels

Answer 2

Islets detect the increase in BGL, so insulin is produced by the pancreas to level the homeostasis. the body then uses the glucose for energy and excess is stored in the liver.

Question 3

What happens when BGL levels are too low

Answer 3

the process of glycogenolysis. this is when the glucogon (hormone) produces glycogen in the liver (form of glucose) the glycogen is then made into blood glucose to maintain homeostasis

Question 4

what is basal metabolic rate

Answer 4

the amount of energy needed by then body to maintain normal bodily functions

Question 5

what are the 4 tissue types of the GI tract and what are their functions `

Answer 5

1. Mucosa - absorbtion and secretion of nutrients
2. submucosa - supports the mucosa and joins mucosa to underlying smooth muscle
3. muscularis externa - allows the movement through the digestive system (peristalsis)
4. serosa - secrets lubricting fluid lining the body cavities

Question 6

what is salivary analayse and what is its function

Answer 6

an enzyme that assists in the breakdown of carbohydrates in the oral cavity

Question 7

what happens to water in the large intestine

Answer 7

gets absorbed into the body

Question 8

once food is swallowed and formed into a bolus, what happens to it?

Answer 8

moves through the esophogus through peristalsis. eventually reaching the cardioesphogeal sphincter at the entrance of the stomach

Question 9

where are proteins broken down?

Answer 9

stomach

Question 10

what is the function of gastrin and pepsin.

Answer 10

gastrin is stimulated by stomach cells, and produces and enzyme pepsinogen, mucous and HCl. the high acidic environment activates pepsinogen to become pepsin. pepsin breaks down protein

Question 11

what is renin

Answer 11

an enzyme that breaks down milk products in infants

Question 12

after food is mixed in stomach to resemble chyme where does it go

Answer 12

towards and through the pyloric sphincter

Question 13

what is the duodenum

Answer 13

entrance and beginning of the small intestine

Question 14

where do lipids begin to be digested

Answer 14

small intestine