bio ch.5 food substances (min+vita+diertary)

metabolic reactions, building body tissues

minerals are important in regulating many ___ ___, and ____ ____ ____.

calcium, cell walls

• component of bones and teeth

• blood clotting, muscle contraction and sending messages in the nervous system

• strengthen ___ ___ in plants

rickets, osteoporosis

deficiency of calcium in children and adult

dairy products

sources of minerals

component of haemoglobin

iron is a ___ ____ _____, a molecule in red blood cells that carries oxygen around the body

anaemia

deficiency of iron

beef, spinach

food abundant in iron

A, D, E, K

lipids soluble vitamins

B, C

water- soluble vitamins

high temperature, oxygen

water-soluble vitamins are easily destroyed when exposed to ____ ____ and ____

pigment, retina

vitamin A is needed for the formation of a ___ in a ____

cornea, skin, alimentary canal, breathing system

vitamin a is important for keeping the ___, ___, lining of _____ ___, and ____ ____ healthy

night blindness

deficiency of vitamin a

carotene

vitamin A is abundance in food that contains ___, like sweet potatoes and pumpkin

calcium, phosphate

vitamin D promotes the absorption of ___ and ____.

rickets

a defiency of vitamin D may lead to ___ in children

sunlight

vitamin D is produced by the skin under _____

connective tissues, healing wounds

vitamin A is needed for the growth and repair of _____ ___ and _____ ____

iron, immune system

vitamin C helps the absorption of _____ and the ___ work properly to protect the body from diseases.

scurvy

deficiency of vitamin c

DCPIP test

test for vitamin c

decolourization

_____ of the blue DCPIP solution indicates the presence of vitamin C

soluble, insoluble, cellulose

dietary fibre has two main types, ___ and ____ e.g. ______.

peristalsis

dietary fibre adds bulk to food to stimulate _____.

constipation

a deficiency of dietary fibre may lead to _____

colorectal cancer

it is also believed that there is a link between dietary fibre intake and an increases risk of _____ ___.