Unit 3: Lymphatic, Respiratory, and Digestive Systems Test Bank

These flashcards cover key vocabulary and concepts from the lymphatic, respiratory, and digestive systems, aiding in exam preparation.

Lymphatic Capillaries

Small, thin-walled vessels that absorb interstitial fluid and transport lymph.

Lacteals

Specialized lymphatic capillaries that absorb dietary fats from the small intestine.

Efferent Lymphatic Vessels

Vessels that carry lymph away from a lymph node.

Respiratory Pump

Mechanism that assists in the one-way flow of lymph toward the heart during breathing.

Carina

A ridge of cartilage at the base of the trachea that triggers the cough reflex.

Vital Capacity

The maximum amount of air that can be exhaled after a maximum inhalation.

Surfactant

A substance secreted by Type 2 cells in the alveoli that reduces surface tension.

Hyperpnea

Deep and vigorous breathing that meets increased tissue oxygen demands, such as during exercise.

Cholecystokinin (CCK)

A hormone that stimulates the gallbladder and pancreas to release their digestive secretions in response to fats.

Filiform Papillae

Structures on the tongue that provide friction for moving food but do not contain taste buds.