ATI Anatomy and Physiology Practice Exam Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

ATI Anatomy and Physiology Practice Exam Questions and Answers | Latest Version | 2025/2026 | Correct & Verified What is the basic structural and functional unit of life in the human body? Cell Which organ is responsible for filtering waste from the blood and forming urine? Kidney What muscle is primarily responsible for breathing? Diaphragm Which part of the brain controls balance and coordination? Cerebellum What type of joint connects the femur to the pelvis? Ball-and-socket joint 2 Which blood vessels carry blood away from the heart? Arteries Which body system is responsible for transporting oxygen and nutrients to tissues? Circulatory system What is the main function of red blood cells? Transport oxygen Which organ is the main site of nutrient absorption? Small intestine What is the name of the valve between the left atrium and left ventricle? Mitral valve Which hormone is released by the pancreas to lower blood glucose levels? Insulin 3 What part of the neuron receives signals from other neurons? Dendrites Which organ detoxifies harmful substances in the blood? Liver What structure connects muscles to bones? Tendon Which layer of the skin contains blood vessels and nerves? Dermis Which part of the eye controls the amount of light that enters? Pupil What is the name of the tube that connects the throat to the stomach? Esophagus 4 Which part of the respiratory system is the site of gas exchange? Alveoli What is the main function of the large intestine? Absorb water and form feces Which organ produces bile to aid in fat digestion? Liver Which bone protects the brain?