Gametes must be produced by meiosis. Explain.

Study the diagram given below and answer the questions that follow:

(i) Name the cells of the pancreas that produce glucagon and insulin.

(ii) State the main function of glucagon and insulin.

(iii) What is the technical term for the cells of the pancreas that produce hormones?

Define Population

Differentiate between ureter and uterus with reference to their functions.