Lymph nodes
Where are cervical lymph nodes located?
Neck.
What type of cells originate in the thymus?
T-lymphocytes.
What is the function of the spleen?
It filters blood.
What is the function of tonsils?
Traps pathogens and contains WBCs to fight them off.
Which way does lymph flow?
Toward the heart.
Where are axillary lymph nodes located?
Armpit.
Why does our immune system get weaker as we grow older?
The thymus atrophies and less T-cells are produced.
Where is the spleen located?
Upper left quadrant of the abdominopelvic cavity.
Where is the lingual tonsil located?
Behind the tongue.
Where does lymph originate?
In the interstitial space.
Where are mesenteric lymph nodes located?
Around the intestines.
What's the difference between the red and white pulp in the spleen?
The red pulp contains macrophages that destroy old and damaged RBCs. White pulp contains T and B lymphocytes, macrophages, and dendritic cells to remove pathogens from the circulating blood.
Where are the palatine tonsils located?
Back of the throat. Most visible tonsil.
Afferent vessels ____ and efferent vessels _____.
Arrive. Exit.
Where are inguinal lymph nodes located?
Around the pubic region.
Where is the pharyngeal tonsil (adenoid) located?
In the nasopharynx.
What does the lymphatic system pick up from the digestive system because the molecules are too big to enter the blood vessels?
Lipids/fat.
What is the function of lymph nodes?
Remove pathogens from lymph and slow down flow before lymph is delivered back to the blood.
What are the functions of the lymphatic system?
Fluid balance, lipid absorption, and defense.