How do tears play a role in immunity?

Define immunity.

How can excretion play a role in homeostasis?

How do bees produce honey?

Answer the following How do decomposers play significant role in food chain?

Which endocrine gland plays important role in improving immunity?

Geobacter plays a role controlling ground water pollution.

Which of the following is an examole of passive immunity?

How do plants produce proteins?

What are porins? What role do they play in diffusion?

Diagram based question: Write the answers to the questions by observing the figure How do microorganisms play their role in this process?