I
What disease of the spinal cord is caused by a virus that destroys motor neurons?
Poliomyelitis
What are the four front teeth on each jaw, which cut food?
Incisors
What type of nutrient are starches and sugars?
Carbohydrates
What are neurons that relay messages between other neurons?
Interneurons
What is the long fiber of a neuron that transmits signals from the cell body to other neurons?
Axon
What are the fibers of a neuron that carry information toward the cell body?
Dendrites
What acid does the stomach produce to kill bacteria and help soften food?
Hydrochloric acid
What is another name for the digestive tract?
Alimentary Canal?
What are the rhythmic waves of muscular contractions that move food through the digestive system?
Peristalsis
What is the hollow area of the tooth that contains nerves and blood vessels?
Pulp
What division of the nervous system includes the cranial and spinal nerves?
Peripheral Nervous System
What is the lowest part of the brain stem which controls breathing?
Medulla Oblongata
What are fats that are liquid at room temperature called?
Oils
What process breaks a droplet of fat into smaller droplets?
Emulsification
What are the protective layers of tissue that surround the brain and spinal cord?
Meninges
What is a defective vision caused by asymmetrically curved cornea?
Astigmatism
What part of the brain functions primarily to coordinate skeletal muscle activity?
Cerebellum
What part of the brain is primarily responsible for thought, memory, voluntary actions, thinking, and intelligence?
Cerebrum
What is the primary organ of digestion and absorption?
Small Intestine
What is a serious injury of the nervous system caused by an internal blockage or rupture of a blood vessel?
Stroke
What are the sensory structures within the ear that contribute to balance?
Semicircular Canals
The technical name for cavities is _______________.
Dental Caries
The snail-shaped structure of the inner ear that senses sound vibrations and generates nerve impulses is the _____________.
Cochlea
Neurons that carry information from the brain and spinal cord to the body parts are ________________ neurons.
Motor
Any junction that allows an impulse to be transmitted from a nerve cell to another cell is a(n) _______________?
Synapse