Physiology Exam questions &
answers
What is the primary function of the cell membrane?
☑️☑️ It controls what enters and leaves the cell
What organelle is responsible for producing energy in the cell?
☑️☑️ The mitochondrion
What type of tissue covers body surfaces and lines cavities?
☑️☑️ Epithelial tissue
What is the basic unit of structure and function in the human body?
☑️☑️ The cell
What system is responsible for transporting blood throughout the body?
☑️☑️ The cardiovascular system
What is the main function of red blood cells?
☑️☑️ To transport oxygen
What part of the brain controls balance and coordination?
☑️☑️ The cerebellum
What is the longest bone in the human body?
☑️☑️ The femur
What is the function of the rib cage?
☑️☑️ To protect the heart and lungs
What organ filters waste from the blood?
☑️☑️ The kidneys
What type of muscle is found in the heart?
☑️☑️ Cardiac muscle
What is the function of white blood cells?
☑️☑️ To fight infections
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,What is the main function of the lungs?
☑️☑️ Gas exchange of oxygen and carbon dioxide
What part of the digestive system absorbs most nutrients?
☑️☑️ The small intestine
What is the protective covering of the brain and spinal cord called?
☑️☑️ Meninges
What is the function of the skeletal system?
☑️☑️ Support, protection, and movement
What type of joint allows movement in all directions?
☑️☑️ Ball-and-socket joint
What is the main function of the liver?
☑️☑️ Detoxification and metabolism
What is the largest organ in the human body?
☑️☑️ The skin
What does the endocrine system regulate?
☑️☑️ Hormones and body processes
What is the function of neurons?
☑️☑️ To transmit nerve impulses
What is the main component of blood plasma?
☑️☑️ Water
What organ stores bile?
☑️☑️ The gallbladder
What is the function of the pancreas?
☑️☑️ Produces digestive enzymes and insulin
What is the structural unit of the kidney?
☑️☑️ The nephron
What type of tissue connects and supports body structures?
☑️☑️ Connective tissue
What is the function of the diaphragm?
☑️☑️ Helps in breathing
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, What part of the eye controls the amount of light entering?
☑️☑️ The iris
What is the main function of the large intestine?
☑️☑️ Absorbs water and forms feces
What is the role of platelets?
☑️☑️ Blood clotting
What is the function of cartilage?
☑️☑️ Provides flexible support and reduces friction
What is the main function of the spinal cord?
☑️☑️ Transmits signals between brain and body
What is the outermost layer of the skin called?
☑️☑️ The epidermis
What is the function of hemoglobin?
☑️☑️ Carries oxygen in red blood cells
What system removes waste from the body?
☑️☑️ The urinary system
What is the function of synovial fluid?
☑️☑️ Lubricates joints
What part of the brain controls voluntary movement?
☑️☑️ The cerebrum
What is the function of the alveoli?
☑️☑️ Gas exchange in the lungs
What is the function of tendons?
☑️☑️ Connect muscle to bone
What is the function of ligaments?
☑️☑️ Connect bone to bone
What is the normal pH of human blood?
☑️☑️ About 7.4
What organ produces insulin?
☑️☑️ The pancreas
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