Respiratory Structures
Known as the "windpipe," it sits between the larynx and the bronchi.
Trachea
This is the medical term for the act of swallowing.
Deglutition
A highly contagious viral infection of the upper respiratory tract.
Influenza
This term simply means "inflammation of the liver."
Hepatitis
A small round mass of food that has been chewed and swallowed.
Bolus
These air-filled sacs are the primary gas exchange structures of the respiratory tract.
This J-shaped organ churns food into a semiliquid substance called chyme.
Stomach
This condition involves hypersensitivity of the nasal mucosa to pollen.
Hay fever
A progressive liver disease where healthy cells are replaced by scar tissue.
Cirrhosis
The substance secreted by the liver to help digest fats.
Bile
This dome-shaped structure is considered the main muscle of respiration.
Diaphragm
Approximately 90% of all nutrient absorption occurs in this part of the GI tract.
Small intestine
This chronic condition involves bronchospasms that cause breathing difficulties.
Asthma
This condition involves the periodic regurgitation of gastric contents into the esophagus.
GERD
This organ is responsible for storing and concentrating the substance secreted by the liver.
GallBladder
This flap of cartilage is often referred to as the "guardian of the airways."
Epiglottis
These fingerlike projections in the small intestine house blood and lymph vessels.
Villi
An infection of the lungs often characterized by inflammation and fluid.
Pneumonia
An inflammatory bowel disease that usually affects the end of the small intestine and beginning of the large intestine.
Crohn's disease
This term refers to the standard respiratory cycle of moving air in and out.
Breathing
This nerve is responsible for innervating the diaphragm to initiate inhalation.
Phrenic nerve
These two enzymes, secreted by the pancreas, are responsible for digesting proteins. (Two answers)
Trypsin and Chymotrypsin
This disease involves permanent enlargement of lower airways and destruction of alveolar walls.
Emphysema
These hardened deposits can often become lodged in the cystic duct.
Gallstones
Gas exchange between the air in the alveoli and the blood in the capillaries is called this type of respiration.
External Respiration