5.1 Anatomy of the Lymphatic System Part 3

Question 1

What does the thymus secrete?

Answer 1

thymosin
thmopoietin hormones

Question 2

What is the purpose of the hormones that the thymus secretes?

Answer 2

enable T lymphocytes to mature and function in the immune system

Question 3

What do mature T cells do?

Answer 3

attach body cells that are cancerous or infected with pathogens

Question 4

When is the thymus the most prominent?

Answer 4

in newborns

Question 5

When does growth of the thymus stop?

Answer 5

adolescence

Question 6

What does the thymus look like in old age?

Answer 6

mass of fibrous fatty tissue

Question 7

What are the tonsils?

Answer 7

group of small lymphoid organs in the lateral, posterior portions of the throat

Question 8

What are the functions of the tonsils?

Answer 8

gather and destroy bacteria inhaled in air or food

Question 9

What are crypts?

Answer 9

invaginated channels in the lymphoid tissue of the tonsils

Question 10

What is the function of the crypts?

Answer 10

trap bacteria and foreign matter