Lymphatic System

The components of the lymphatic system include:

• Lymph, lymph nodes, lymph vessels, and lymphoid organs

• Blood, heart, arteries, and veins

• Muscles, bones, skin, and nerves

• Brain, spinal cord, nerves, and ganglia

One of the functions of the lymphatic system is:

• transporting oxygen to cells

• removing waste from the body

• producing hormones

• maintaining fluid balance

The lymphatic system helps in body defense and resistance to disease. True or False?

• True

• False

Lymphatic vessels flow in which direction?

• Towards the heart

• Away from the heart

• In a circular motion

• In a random direction

The feature that makes lymphatic vessels very permeable is:

• tight junctions

• thick walls

• valves

• thin walls

Lymphatic vessels have valves similar to which other type of vessels?

• Lymphatic vessels have valves similar to veins.

• Lymphatic vessels have valves similar to arteries.

• Lymphatic vessels have valves similar to capillaries.

• Lymphatic vessels have valves similar to arterioles.

The function of lymph nodes in the body is to:

• filter lymph and assist the immune system

• produce red blood cells

• store vitamins and minerals

• regulate body temperature

Lymph nodes remove foreign material such as bacteria and tumor cells. True or False?

• True

• False

Lymph nodes contain which types of cells?

• Red blood cells

• Neurons

• Lymphocytes

• Muscle cells

Lymph nodes can become swollen during active infection. True or False?

• True

• False