Crash Course: Anatomy and Physiology questions & verified answers

What is the main function of the nucleus in a cell? ️️ It stores DNA and controls cell activities. Which organelle is responsible for producing ATP? ️️ The mitochondrion. What type of tissue covers body surfaces and lines cavities? ️️ Epithelial tissue. What is the basic unit of life? ️️ The cell. What system regulates hormones in the body? ️️ The endocrine system. What is homeostasis? ️️ The maintenance of a stable internal environment. Which organ pumps blood throughout the body? ️️ The heart. What is the function of red blood cells? ️️ To transport oxygen. What type of joint allows movement in one direction like the elbow? ️️ A hinge joint. What is the longest bone in the human body? ️️ The femur. Which system is responsible for removing waste from the body? ️️ The urinary system. What does the respiratory system primarily exchange? ️️ Oxygen and carbon dioxide. 2 What is the function of the small intestine? ️️ Nutrient absorption. Which part of the brain controls balance and coordination? ️️ The cerebellum. What is the function of white blood cells? ️️ To fight infections. What type of muscle is found in the heart? ️️ Cardiac muscle. What structure connects muscle to bone? ️️ Tendons. What is the role of the skin? ️️ Protection and temperature regulation. Which organ filters blood in the urinary system? ️️ The kidneys. What is the function of the alveoli? ️️ Gas exchange in the lungs. What type of blood vessel carries blood away from the heart? ️️ Arteries. What is the function of the spinal cord? ️️ To transmit signals between the brain and body. Which system controls voluntary movements? ️️ The somatic nervous system. What is the main function of the liver? ️️ Detoxification and metabolism. What is the fluid portion of blood called? ️️ Plasma. Which structure in the eye controls the amount of light entering? ️️ The iris. What is the function of platelets? ️️ Blood clotting. 3 What type of tissue connects and supports body structures? ️️ Connective tissue. What is the main role of the large intestine? ️️ Water absorption. Which gland produces insulin? ️️ The pancreas. What is the function of synovial fluid? ️️ Lubricates joints. What part of the neuron carries impulses away from the cell body? ️️ The axon. What is the function of the rib cage? ️️ Protects the lungs and heart. What type of immunity is developed after exposure to a pathogen? ️️ Active immunity. What is the function of hemoglobin? ️️ Carries oxygen in red blood cells. What is the role of the hypothalamus? ️️ Regulates body temperature and hormones. Which organ is responsible for bile production? ️️ The liver. What is the function of cartilage? ️️ Provides flexible support and cushioning. What type of muscle is voluntary? ️️ Skeletal muscle. What is the function of the diaphragm? ️️ Aids in breathing. What part of the ear is responsible for hearing? ️️ The cochlea. What is the role of enzymes in digestion? ️️ Break down food into smaller molecules. 4 What is the function of the pituitary gland? ️️ Controls other endocrine glands. What is the main function of lymph nodes?