Absorbtion And Elimination

Question 1

What is absorbed - Micronutrients - Where - Transport - Function

Answer 1

SI = Small intestine 
LI = Large intestine 

Starches - Monosaccharides - SI - Active Transport - Cellular Respiratory (CR)

Protein - Amino Acid (AA) - SI - Carrier Protein - Protein Synthesis (PS) + CR

Lipids - Fatty Acids and monoglyceride - SI - Simple Diffusion - CR

Minerals/Vitamins - No micronutrients - S/L I - Active Transport - Supplements

H2O - H2O - S/L I and stomach - Osmosis - Hydration

Question 2

Structure and functions of villi

Answer 2

Capillaries - Increase blood for absorption of nutrients

Lymphatic vessels - Removes pathogens which have not been killed by stomach acids

Intestinal glands - secrets mucus (protection of cells) and digestive enzymes for chemical digestion

Shape and why it’s folded - increase Surface area for more absorption

Secretary cells - secrets mucus

Mucus - for the cells so they do not metabolise themselves

Question 3

What is Elimination

Answer 3

The removal of indigestible wastes - forms feaces

Question 4

Where is faeces stored within the body

Answer 4

Rectum and anus

Question 5

What is eliminated in the alimentary canal and why

Answer 5

Waste products (undigested food and bacteria) because it is not useful no function