What is the main function of chlorophyll?

What is the name given for the food mixed with saliva?

Name the types of joints with an example for each.

What is the function of Digestive system?

Single celled fungi is called

Describe one way in which micro organisms are useful and also a nuisance.

When making cheese or yoghurt what reaction occurs ?

Define toxins & infectious diseases.

Malaria is caused by ______________________. Influenza is caused by __________________ & tuberculosis is caused by ______________.

What is the main function of the large intestine?

Explain three ways in which food can be preserved.

What are the characteristics of living organisms?