ap11

The lymphatic system lacks two of these structures

• veins and valves

• pumps and arteries

• arteries and veins

• valves and arters

lymphatic vessels act primarily to pick up leaked fluid called

• bacteria

• viruses

• lymph

• chemicals

About how many liters of fluid is returned every 24 hours

• 4

• 6

• 7

• 3

Cell type is found in greatest abundance in the germinal centers

• T Lymphocytes

• B Lymphocytes

What is the major cell type in cortical areas other than the germinal centers

• T Lymphocytes

• B Lymphocytes

Third most important cell type in lymph nodes usually found clustered around the medullary sinuses

• hilum

• follicle

• macrophages

• sinuses

Macrophage cells act as

• lymphs

• phagocytes

• valves

• axillary

Innate means...

• Develop during youth

• Born with

• Deteriorates as you age

Lysozyme is found in the body secretions called

• sweat and oils

• sweat and tears

• oils and tears

• tears and saliva

Mucus is produced by mucus secreting glands found in the respiratory and digestive system mucosae.

• True

• False