6.1 Digestion and Absorbtion

Question 1

Physiology

Answer 1

is about HOW and WHY the parts of the body Function in the way they do.

Question 2

Heterotrophic Nutrition

Answer 2

is the mode of nutrition in which organisms depend upon other organisms for food to survive.

Question 3

Holozoic Nutrition

Answer 3

Is a type of Heterotrophic N- that is characterized by internalization-( ingestion)

Question 4

Ingestion

Answer 4

Food taken into the mouth for processing in the gut.

Question 5

Digestion

Answer 5

Mechanical D- by action of the teeth and muscular walls.

Question 6

Digestion 1

Answer 6

Chemical D- By enzymes, maily in the stomach.

Question 7

Absorbtion

Answer 7

Soluble products of digestion are - > absorbed into the blood circulation systems.

Into the lymphatic system ->(fat droplets)

Question 8

Assimilation

Answer 8

Products of digestion absorbed from the blood into the body cell(hairs and muscles)

Question 9

Egestion

Answer 9

Undigested food and dead cells from the lining of the gut- together bacteria9flora)- are expelled as feaces

Question 10

Carbohydrates

Answer 10

Enzyme: AMYLASE
Source: SILIVERY GLANDS
Substrate: STARCH
Product: MALTOSE
Optimum ph: 6.5 and 7.5

Question 11

Lipids

Answer 11

Enzyme: LIPASE
Source: PANCREAS
Substrate: TRIGLYCERIDE
Product: FATTY ACODS AND GLYCEROL
Optimum ph: 7.0

Question 12

Protein

Answer 12

Enzyme: PEPSIN
Source: GASTRIC GLANDS
Substrate: PROTEIN
Product: POLYPEPTIDES
Optimum ph.1.5-2.0