organisation

Question 1

what is a tissue

Answer 1

a group of cells with a similar structure and function

Question 2

what is an organ

Answer 2

group of tissues working together for a specific function

Question 3

what is the human digestive system
(what it does)

Answer 3

an organ system which form organisms. It’s designed to digest and absorb food and excrete any waste products

Question 4

what molecules does food contain

Answer 4

carbohydrates, lipids and protein, starch

Question 5

what happens in digestion
(large molecules)

Answer 5

large molecules are broken down into smaller molecules by enzymes which the small molecules can then be absorbed by the bloodstream

Question 6

what are four type of enzymes

Answer 6

lipase, amylase and protease, carbohydrase

Question 7

how to test for starch, sugar and protein

Answer 7

starch: iodine solution is added which should turn purple

sugar: grind up food mixed with water and add benedict’s solution then heat mix into water bath and should turn red

protein: grinding up food and adding biuret which turns purple