Abeka Biology Chapter 8 & 9 Test Already Passed

Abeka Biology Chapter 8 & 9 Test Already Passed poliomyelitis disease of the spinal chord caused by a virus that destroys motor neuron incisors the four front teeth on each jaw which cuts food carbohydrates the type of nutrients that are starches and sugars; accounts for most of our total Calorie intake interneurons neurons that relay messages between other neurons axon the long fiber of a neuron that transmits signals from the cell body to other nerve cells dendrites pulthe fibers of a neuron that carry information toward the cell body hydrochloric acid the acid the stomach produces to kill bacteria and help soften food alimentary canal another name for the digestive tract peristalsis the rhythmic waves of muscular contractions that move food through the digestive system pulp the hollow area of a tooth that contains nerves and blood vessels central nervous system the division of the nervous system that includes the cranial and spinal nerves Vitamin C a water soluble vitamin medulla oblongata the lowest part of the brain stem that controls breathing and heartbeat oil fats that are liquid at room temperature emulsification the process that breaks a droplet of fat into smaller droplets meninges the protective layer of tissues that surround the brain and spinal cord astigmatism defective vision caused by asymmetrically curved cornea cerebellum the part of the brain that functions primarily to coordinate the skeletal muscle activity cerebrum the part of the brain that is primarily responsible for thought, memory, voluntary actions, thinking, and intelligence small intestine the primary organ responsible for digestion and absorption stroke a serious injury of the nervous system caused by an internal blockage or rupture of a blood vessel in the brain semicircular canals the sensory structures within the ear that contribute to balance dental caries the technical name for cavities cochlea the snail shaped structure of the inner ear that senses sound vibrations and generates nerve impulses motor neurons neurons that carry information from the brain and spinal cord to the body parts synapse any junction that allows an impulse to be transmitted from a nerve cell to another cell reflex arc the simplest type of nerve pathway, involved in quick, automatic responses to stimuli villi tiny projections of the wall of the small intestine that helps it absorb food epiglottis the small flap of cartilage that keeps food out