Physiology questions & answers.
What is the main function of the nucleus in a cell?
✔️✔️ It controls cell activities and stores genetic material
Which organ pumps blood throughout the body?
✔️✔️ The heart
What type of tissue connects and supports body structures?
✔️✔️ Connective tissue
What is the basic unit of life?
✔️✔️ The cell
Which system controls body responses using electrical signals?
✔️✔️ The nervous system
What is the role of red blood cells?
✔️✔️ To transport oxygen
Which organ filters waste from the blood?
✔️✔️ The kidneys
What is the function of the lungs?
✔️✔️ Gas exchange (oxygen in, carbon dioxide out)
Which part of the brain controls balance and coordination?
✔️✔️ The cerebellum
What type of joint allows movement in all directions?
✔️✔️ Ball and socket joint
What is the function of the stomach?
✔️✔️ To break down food using acid and enzymes
Which organ produces bile?
✔️✔️ The liver
What is the main function of white blood cells?
✔️✔️ To fight infection
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,What type of muscle is found in the heart?
✔️✔️ Cardiac muscle
What is the function of the small intestine?
✔️✔️ Nutrient absorption
Which hormone regulates blood sugar levels?
✔️✔️ Insulin
What is the largest organ in the body?
✔️✔️ The skin
Which system is responsible for movement?
✔️✔️ The muscular system
What is the function of platelets?
✔️✔️ Blood clotting
Which organ stores urine?
✔️✔️ The bladder
What is the function of the rib cage?
✔️✔️ To protect the lungs and heart
What type of blood vessel carries blood away from the heart?
✔️✔️ Arteries
Which part of the eye controls light entry?
✔️✔️ The iris
What is the function of the pancreas?
✔️✔️ Produces digestive enzymes and hormones
Which system removes waste from the body?
✔️✔️ The excretory system
What is the function of cartilage?
✔️✔️ Provides flexible support
Which part of the brain controls breathing?
✔️✔️ The medulla oblongata
What is the function of hemoglobin?
✔️✔️ To carry oxygen in red blood cells
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,Which organ is responsible for detoxification?
✔️✔️ The liver
What type of muscle is under voluntary control?
✔️✔️ Skeletal muscle
What is the function of synovial fluid?
✔️✔️ Lubricates joints
Which system protects the body from pathogens?
✔️✔️ The immune system
What is the function of the esophagus?
✔️✔️ Transports food to the stomach
Which part of the neuron receives signals?
✔️✔️ Dendrites
What is the function of the diaphragm?
✔️✔️ Helps in breathing
Which organ produces urine?
✔️✔️ The kidneys
What type of tissue lines body cavities?
✔️✔️ Epithelial tissue
What is the function of the adrenal glands?
✔️✔️ Produce stress hormones
Which system regulates hormones?
✔️✔️ The endocrine system
What is the function of the colon?
✔️✔️ Absorbs water and forms feces
Which part of the skeleton protects the brain?
✔️✔️ The skull
What is the function of ligaments?
✔️✔️ Connect bones to bones
Which organ is responsible for hearing?
✔️✔️ The ear
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, What is the function of alveoli?
✔️✔️ Gas exchange in the lungs
Which system transports nutrients and oxygen?
✔️✔️ The circulatory system
What is the function of tendons?
✔️✔️ Connect muscles to bones
Which organ controls body temperature?
✔️✔️ The skin
What is the function of the pituitary gland?
✔️✔️ Controls other endocrine glands
Which part of the digestive system absorbs most nutrients?
✔️✔️ The small intestine
What is the function of mucus?
✔️✔️ Traps dust and microbes
Which system includes bones and joints?
✔️✔️ The skeletal system
What is the function of saliva?
✔️✔️ Begins digestion and moistens food
Which organ produces insulin?
✔️✔️ The pancreas
What is the function of the spinal cord?
✔️✔️ Transmits nerve signals
Which structure prevents food from entering the airway?
✔️✔️ The epiglottis
What is the function of vitamin D in the body?
✔️✔️ Helps in calcium absorption
Which organ is part of both digestive and endocrine systems?
✔️✔️ The pancreas
What is the function of the lymphatic system?
✔️✔️ Drains fluid and fights infection
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