Lymphatic System

Question 1

Which blood has more pressure on the capillaries?

Answer 1

The blood on the atrial side than on the venous side

Question 2

What is the fluid that surrounds the cells?

Answer 2

Tissue fluid

Question 3

How is tissue fluid formed?

Answer 3

Because of the high pressure on the atrial side, most of the liquid part. The blood plasma is forced through the walls of capillaries and lands between the cells of the tissue

Question 4

What happens between the tissue fluid and the cells?

Answer 4

The cells begin to absorb the nutrients and oxygen directly form the tissue fluid and release waste products into the tissue fluid.

Question 5

How much fluid goes back to the capillaries?

Answer 5

Only a small amount of tissue fluid

Question 6

What is the name of the separate vessel that drains the tissue fluid between the cells a d transport back to the bloodstream?

Answer 6

Lymphatic system

Question 7

What is the extended system in the capillaries?

Answer 7

Lymphatic system

Question 8

What is a lymph?

Answer 8

The tissue fluid inside the lymphatic vessels

Question 9

What are lymph capillaries?

Answer 9

System of small, blind ending lymphatic vessels that originate and branch between the cells of the tissues

Question 10

What is the result of the Union of lymph capillaries

Answer 10

Form larger lymphatic vessels

Question 11

What is the name of the two large lymphatic vessels?

Answer 11

Thoracic duct
Right lymphatic duct

Question 12

Which lymphatic vessels open to the thoracic duct?

Answer 12

Lymphatic vessels from the left side of the chest, left arm, left side of the head and neck

Question 13

Which lymphatic vessels open into the right lymphatic vessels?

Answer 13

Right side of the chest, right arm, right side of the neck and head

Question 14

What does the thoracic duct open Into?

Answer 14

Left subclavian vein

Question 15

What what vein does the right lymphatic duct open into?

Answer 15

Right subclavian vein

Question 16

How is the pressure in the lymphatic vessels?

Answer 16

It is very low

Question 17

Why is there a low pressure in the lymphatic vessels?

Answer 17

Because the is no pump organ to move the lymph through the lymphatic vessels

Question 18

In which direction is the lymph moved?

Answer 18

To the direction of the heart

Question 19

What makes the lymphatic vessels move in the direction of the of the heart?

Answer 19

The movement of internal organs and the contraction of voluntary skeletal muscles

Question 20

What is the functions of semi-lunar valves in the lymphatic vessels?

Answer 20

The prevent back flow of lymph into in the vessels

Question 21

Describe the structure of lymph nodes

Answer 21

A small bean shaped structures

Question 22

Where are the lymph nodes located?

Answer 22

Are distributed throughout the body, especially close to the lymphatic vessels with larger concentration in the armpit, groin and neck

Question 23

What are 2 functions of lymph nodes?

Answer 23

• act as filters and trap foreign substances
• act as antibodies, protecting the body by providing immunity against disease causing virus and bacteria

Question 24

What is the first function of the lymphatic system

Answer 24

It prevents accumulation of tissue fluid between the cells by transporting it back to the blood circulatory system

Question 25

What is the second lymphatic system function

Answer 25

Plasma proteins which accumulate in the tissue fluid are transported back into the bloodstream

Question 26

What is the third function of lymphatic vessels

Answer 26

Transport fats back into the bloodstream

Question 27

How is the lymph structurally adapted to perform its function?

Answer 27

Villi in the small intestine have small lymphatic vessels which absorb fats into larger lymphatic vessels