Complete package Nursing Anatomy & Physiology questions and answers

What is the main function of red blood cells? ️️ They transport oxygen from the lungs to body tissues using hemoglobin. What is the primary role of the heart? ️️ To pump blood throughout the body and maintain circulation. What is the basic functional unit of the kidney? ️️ The nephron, which filters blood and forms urine. What is the function of the alveoli in the lungs? ️️ They allow gas exchange between oxygen and carbon dioxide. What is the role of the white blood cells? ️️ They defend the body against infections and foreign invaders. What is the main function of the skeletal system? ️️ To provide support, protection, and movement for the body. What is the largest organ of the human body? ️️ The skin, which forms the integumentary system. What is the function of platelets? ️️ They help in blood clotting to prevent excessive bleeding. What is the role of insulin? ️️ It lowers blood glucose levels by helping cells absorb glucose. What is the function of the liver in metabolism? ️️ It processes nutrients and detoxifies harmful substances. What is the main function of the nervous system? ️️ To control and coordinate body activities through electrical signals. What is the role of synovial fluid? ️️ It lubricates joints and reduces friction during movement. What is the function of the large intestine? ️️ It absorbs water and forms solid waste (feces). 2 What is the main role of the pancreas? ️️ It produces digestive enzymes and hormones like insulin. What is the function of hemoglobin? ️️ It carries oxygen in red blood cells. What is the role of the trachea? ️️ It conducts air from the larynx to the lungs. What is the function of the pituitary gland? ️️ It regulates other endocrine glands and controls growth hormones. What is the role of the small intestine? ️️ It absorbs nutrients from digested food into the bloodstream. What is the function of the cerebellum? ️️ It coordinates balance, posture, and fine motor control. What is the main function of arteries? ️️ They carry oxygenated blood away from the heart. What is the function of veins? ️️ They return deoxygenated blood back to the heart. What is the role of the thyroid gland? ️️ It regulates metabolism through hormone production. What is the function of the stomach? ️️ It breaks down food using acid and enzymes. What is the main role of the lymphatic system? ️️ It returns tissue fluid to the bloodstream and supports immunity. What is the function of neurons? ️️ They transmit electrical signals in the nervous system. What is the role of the diaphragm? ️️ It helps in breathing by contracting and expanding the chest cavity. What is the function of the kidneys in homeostasis? ️️ They regulate water, electrolytes, and acid-base balance. What is the purpose of the immune system? ️️ It protects the body from pathogens and diseases. 3 What is the function of cartilage? ️️ It cushions joints and reduces bone friction. What is the role of the hypothalamus? ️️ It regulates body temperature, hunger, and hormonal control. What is the function of the ureters? ️️ They transport urine from kidneys to the bladder. What is the role of the bladder? ️️ It stores urine until excretion. What is the function of the ovaries? ️️ They produce eggs and female hormones. What is the role of the testes? ️️ They produce sperm and testosterone. What is the function of the spinal cord? ️️ It transmits signals between brain and body. What is the role of bile? ️️ It helps in fat digestion and absorption. What is the function of the cornea? ️️ It focuses light into the eye. What is the role of the iris? ️️ It controls the size of the pupil and light entry. What is the function of the ear cochlea? ️️ It converts sound vibrations into nerve impulses. What is the role of the skin’s sweat glands? ️️ They regulate body temperature through sweating. What is the function of bones in mineral storage? ️️ They store calcium and phosphorus for body use. What is the role of the parathyroid glands? ️️ They regulate calcium levels in the blood. What is the function of the adrenal glands? ️️ They produce stress hormones like adrenaline and cortisol. 4 What is the role of capillaries? ️️ They allow exchange of gases, nutrients, and waste between blood and tissues. What is the function of the spleen? ️️ It filters blood and helps fight infections. What is the role of the esophagus? ️️ It transports food from mouth to stomach. What is the function of the tongue? ️️ It aids in taste, speech, and food manipulation.