BIO 251 HUMAN ANATOMY AND PHYSIOLOGY I ACTUAL PAPER 2026 QUESTIONS WITH ANSWERS GRADED A+

BIO 251 HUMAN ANATOMY AND
PHYSIOLOGY I ACTUAL PAPER 2026
QUESTIONS WITH ANSWERS GRADED A+

●● Give an example of a chemical level.
Answer: Water, glucose, DNA


●● Give an example of a cellular level.
Answer: Neuron, muscle cell, epithelial cell


●● Give an example of a tissue level.
Answer: Nervous tissue, muscle tissue, epithelial tissue


●● Give an example of an organ level.
Answer: Heart, stomach, brain


●● Give an example of an organ system level.
Answer: Cardiovascular system, digestive system


●● Give an example of an organism level.
Answer: Human being

, ●● What are the basic functions of the respiratory system?
Answer: Gas exchange: O2 in, CO2 out


●● What are the basic functions of the urinary system?
Answer: Removes nitrogenous wastes, regulates fluid/electrolytes


●● What are the basic functions of the nervous system?
Answer: Rapid control system, responds to stimuli


●● What are the basic functions of the muscular system?
Answer: Movement, posture, heat production


●● What are the basic functions of the reproductive system?
Answer: Produces gametes, hormones, reproduction


●● What are the basic functions of the skeletal system?
Answer: Support, protection, blood cell production, mineral storage


●● What are the basic functions of the lymphatic system?
Answer: Returns fluid to blood, immune defense