Textbook Question
More than one choice may apply.
Developmentally, embryonic lymphatic vessels are most closely associated with the
a. Veins
b. Arteries
c. Nerves
d. Thymus gland
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20. The Lymphatic System
Secondary Lymphoid Organs: The Spleen
Multiple Choice
The main role of the tonsils is to __________.
A
help B cells mature
B
filter lymph
C
gather and remove pathogens entering through the pharynx
D
help T cells mature
Verified step by step guidance1
Understand the anatomical location and function of the tonsils. Tonsils are lymphoid tissues located at the entrance of the pharynx.
Recognize that tonsils are part of the immune system and play a role in protecting the body from pathogens.
Identify the primary function of the tonsils, which is to gather and remove pathogens that enter the body through the pharynx.
Consider the options provided: helping B cells mature, filtering lymph, gathering and removing pathogens, and helping T cells mature.
Conclude that the correct function of the tonsils is to gather and remove pathogens entering through the pharynx, as they act as a first line of defense in the immune response.
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