minerals are needed in

plants and animals in small amounts

4 main reasons: 1) to form

rigid bones and cement between plant cell walls

soft body parts; muscle, which requires nitrogen and sulfur

3) play a role in forming

cell and body fluids;tears, saliva, liquid part of blood. all contain sodium

minerals play a role in forming cell and body fluids to form

biomolechules such as haemoglobin which is based on iron and chlorophyll which is based on magnesium

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minerals

Question	Answer
minerals are needed in	plants and animals in small amounts
4 main reasons: 1) to form	rigid bones and cement between plant cell walls
2) to make	soft body parts; muscle, which requires nitrogen and sulfur
3) play a role in forming	cell and body fluids;tears, saliva, liquid part of blood. all contain sodium
minerals play a role in forming cell and body fluids to form	biomolechules such as haemoglobin which is based on iron and chlorophyll which is based on magnesium
sources of minerals	liver, meat, green veg