Which type of cell is responsible for generating and spreading electrical impulses in the heart?

Which gland is known as the “master gland” of the endocrine system?

What is the primary function of intercalated discs in cardiac muscle?

List the three (3) processes of urine formation.

Match the terms in column A to their correct definitions in column B.

Fill in the missing words: When blood pressure is measured, it is typically taken from an [BLANK-1] because they are closer to the heart and have higher pressure. The walls of [BLANK-2] are thin to allow for the exchange of gases and nutrients. [BLANK-3] have valves to prevent the backflow of blood, ensuring it moves in one direction toward the heart.

Trace the pathway of blood through the circulatory system, beginning at the right atrium. Name all the chambers and valves involved.

Define hematopoiesis. 

Which of the following is most likely to produce anaphylaxis in a susceptible individual?

Which hormone is primarily responsible for regulating blood sugar levels?