HUMAN ANATOMY AND PHYSIOLOGY
TEST BANK UPDATED QUESTIONS AND
ANSWERS FULL STUDY SHEET
●● What is physiology?
Answer: The study of the functions of the human body and its parts.
●● What are the levels of organization in the human body?
Answer: Subatomic particles, atoms, molecules, macromolecules,
organelles, cells, tissues, organs, organ systems, organism.
●● What is the basic unit of structure and function in the human body?
Answer: Cell.
●● What is a tissue?
Answer: A layer or mass of cells with a specific function.
●● What is an organ?
Answer: A group of different tissues with a specific function.
●● What is an organ system?
Answer: A group of organs that work together for a common function.
, ●● What is homeostasis?
Answer: The maintenance of a stable internal environment.
●● What are the three parts of a homeostatic mechanism?
Answer: Receptor, control center, effector.
●● What is negative feedback?
Answer: A homeostatic mechanism where effectors return conditions
toward normal range, reducing deviation from the set point.
●● What role does water play in the human body?
Answer: It is the most abundant substance, necessary for metabolic
processes, transport of substances, and regulation of body temperature.
●● What is the significance of oxygen for organisms?
Answer: It is used to release energy from nutrients.
●● What is the role of heat in the body?
Answer: It helps maintain body temperature and partly controls the rate
of metabolic reactions.
●● What is the function of pressure in the human body?
TEST BANK UPDATED QUESTIONS AND
ANSWERS FULL STUDY SHEET
●● What is physiology?
Answer: The study of the functions of the human body and its parts.
●● What are the levels of organization in the human body?
Answer: Subatomic particles, atoms, molecules, macromolecules,
organelles, cells, tissues, organs, organ systems, organism.
●● What is the basic unit of structure and function in the human body?
Answer: Cell.
●● What is a tissue?
Answer: A layer or mass of cells with a specific function.
●● What is an organ?
Answer: A group of different tissues with a specific function.
●● What is an organ system?
Answer: A group of organs that work together for a common function.
, ●● What is homeostasis?
Answer: The maintenance of a stable internal environment.
●● What are the three parts of a homeostatic mechanism?
Answer: Receptor, control center, effector.
●● What is negative feedback?
Answer: A homeostatic mechanism where effectors return conditions
toward normal range, reducing deviation from the set point.
●● What role does water play in the human body?
Answer: It is the most abundant substance, necessary for metabolic
processes, transport of substances, and regulation of body temperature.
●● What is the significance of oxygen for organisms?
Answer: It is used to release energy from nutrients.
●● What is the role of heat in the body?
Answer: It helps maintain body temperature and partly controls the rate
of metabolic reactions.
●● What is the function of pressure in the human body?
