The condition in which bones lose mass an become brittle.
What is osteoporosis?
100
The type of blood vessel that carries blood away from the heart.
What is an artery?
100
The 2 branches of the respiratory tract through which inhaled air passes after moving through the trachea.
What are the primary bronchii?
100
The longest organ of the digestive system where the greatest amount of nutrient absorption takes place.
What is the small intestine?
100
The primary functional unit of the nervous system - both sensory and motor.
What is a neuron?
200
The areas in the infant skull which are covered by fibrous membranes instead of bone.
What are the fontanels?
200
The chamber of the heart which receives unoxygenated blood from the body.
What is the right atrium?
200
The small sacs in the lungs where gases are exchanged.
What are the alveoli?
200
The glands which secrete amylase in order to begin the process of digestion in the mouth.
What are the salivary glands?
200
The region of the brain which monitors body movements related to balance, coordination and posture.
What is the cerebellum?
300
A U-shaped bone that sits between the chin and the larynx which does not articulate with any other bone.
What is the hyoid bone?
300
The arteries which feed the muscle tissue of the heart and, when blocked, will cause a heart attack.
What are the coronary arteries?
300
The progressive lung disease in which tissue surrounding the alveoli is destroyed which results in an inability to exhale easily and causes barrel-chestedness.
What is emphysema?
300
The connective tissue that covers the organs of the abdominal cavity like an apron.
What is the greater omentum?
300
A small region in the brain which controls the autonomic nervous system, contains centers which are responsible for thirst, hunger and temperature regulation, and controls the pituitary gland.
What is the hypothalamus?
400
The gel-like core of an intervertebral disc which can put pressure on a spinal nerve if the disc ruptures.
What is the nucleus pulposus?
400
The artery which supplies oxygenated blood to the arm.
What is the brachial artery?
400
An effective maneuver for dislodging a foreign object from the trachea when a person is choking.
What is the Heimlich maneuver?
400
The areas in the lining of the stomach where gastric juices including hydrochloric acid are secreted.
What are the gastric pits?
400
The longest and most widely distributed cranial nerve which plays a key role in many heart, lung, digestive and urinary functions.
What is the vagus nerve?
500
The cranial bone that helps form the floor of the skill and protects the pituitary gland.
What is the sphenoid bone?
500
The artery which supplies oxygenated blood to the liver.
What is the hepatic artery?
500
A bony structure separating the the mouth from the nasal cavity.
What is the hard palate?
500
The process of contraction by the muscles in the intestinal wall, that propels food through the intestines.
What is peristalsis?
500
Layers of fibrous connective tissue covering the brain and spinal cord.