Lymphatic System

Question 1

Lymphatic system function

Answer 1

A network of organs, vessels, and tissues that work together to move a colorless, watery fluid called lymph back into the circulatory system (bloodstream) for the purpose of draining excess fluids from body tissues through the nodes, transporting fats back to the bloodstream, and removing pathogens.

Question 2

Lymphatic operators

Answer 2

Lymph vessels and lymphatic tissues:
Thymus and spleen.
Ducts and nodes (lymph vessels).

Question 3

Lymphocytes

Answer 3

Cells that combat disease.

Question 4

Lymph nodes

Answer 4

Capsule of tissue that filter lymph and contain lymphocytes that destroy pathogens.

Question 5

Why are lymph nodes clustered in areas where the head and limbs meet the torso and near the intestines?

Answer 5

To defend the torso from pathogens entering from the extremities or from ingested food.

Question 6

Lymph empties into the bloodstream at the junction of which two veins?

Answer 6

Subclavian and internal jugular veins

Question 7

How are B and T cells alike?

Answer 7

After maturing, both enter the bloodstream, and colonize lymphatic tissues like spleen and lymph nodes.

Question 8

Inside the spleen….

Answer 8

… abnormal blood cells are consumed by macrophages, and lymphocytes carry out immune responses.

Question 9

Thoracic duct, or left lymphatic duct

Answer 9

Behind at the cisterna chylii and collects lymph from the left upper body and the entire body beneath the ribcage.

Question 10

Role of lymph nodes?

Answer 10

To filter lymph before it reenters the bloodstream.