What are the primary cells of the lymphatic system?
Which condition arises when lymphatic drainage is blocked?
Lymphedema
These tiny air-filled sacs are the primary site of gas exchange
Alveoli
What term is given to the movement of mucus toward the pharynx?
Mucociliary escalator
What are the three primary functions of the digestive system?
Digestion and absorption of nutrients, expulsion of waste
What are the two main functions of the lymphatic system?
Immunity and fluid balance
These cells make up approximately 80% of circulating lymphocytes
T-cells
List three functions of the respiratory system
Providing surface area for gas exchange
Moving air to and from the exchange surfaces of the lungs
Protecting respiratory surfaces from dehydration, temp changes, and pathogen invasion
Producing sounds for communication
Detecting smells by olfactory receptors in the superior portions of the nasal cavity
What is the anatomical term for the "voice box?"
Glottis
Where does chemical digestion begin?
The mouth. Aided by salivary enzymes
These cells are responsible for antibody-mediated immunity
B-cells
Lymph nodes have both afferent and efferent lymphatics. Which one brings lymph to the node?
Afferent lymphatics
What is the primary reason for structural differences in epithelial tissue between the conducting and respiratory portions?
Protecting the delicate gas exchange structures from harm
The nasal cavity does which two things to inhaled air?
Warms and humidifies
Much of the GI tract is held in place by serous membranes called what?
Mesenteries
Lymphopoiesis primarily occurs in red bone marrow and which other structure?
Thymus
Into which vein does the thoracic duct drain?
Left subclavian vein
Pharynx
Voice characteristics are determined by which two factors?
Articulation and phonation
These muscular contractions are the primary drivers of food movement through the lower GI tract
Peristalsis
Autoimmune disease associated with enlarged, hyperactive thymus
Myasthenia gravis
MALTs are lymphoid nodules that protect epithelia of digestive, respiratory, urinary, and reproductive tracts from pathogens and toxins. What does MALTs stand for?
Mucosa Associated Lymphoid Tissues
What is the primary function of the c-shaped tracheal cartilages?
Prevents collapse and overexpansion of the trachea
Both lungs are split into lobes by deep fissures. What are the fissures and lobes of the right lung?
The lung is split into three lobes: Superior, middle, and inferior by two fissures: horizontal and oblique
Glycoprotein produced by the stomach that aids in the absorption of Vit B12
Intrinsic factor