105E.07 Lymphatic System

How many lymph nodes are in the human body?

There are less than 600 lymph nodes in the human body. (False)

Where are lymph nodes located in the human body?

Lymph nodes are located throughout the body, including the face, neck, armpit, groin, and abdomen. (True)

What organ removes old red blood cells?

The spleen.

What is the liquid rich with white blood cells that attacks bacteria?

Lymph.

Approximately how much blood moves through the arteries and veins each day?

Approximately 5.3 gallons (20 L).

What does swelling of lymph nodes indicate?

Swelling of lymph nodes indicates infection.

Which lymph node drains the cheeks?

The buccal lymph node.

Which lymph node is in front of the ears and drains the scalp and upper face?

The parotid lymph node.

Where is the mastoid lymph node located?

Behind the ears.

What is the name of the lymph node chain located deep within the neck?

The deep cervical lymph node.

What term refers to thin tubes that carry lymph fluid and white blood cells?

Lymphatic vessels.

Which structures could swell and possibly indicate infection?

Lymphatic nodes.

All are functions of the lymphatic system except?

Increasing infection.

Where is the submandibular lymph node located?

Underneath the mandible.

Which lymph node collects lymph from the central lower lip, floor of the mouth, and apex of the tongue?

The submental lymph node.

What is the role of lymphatic vessels?

To transport lymph fluid and white blood cells throughout the body.

What are the main areas of lymph node clusters in the body?

Face, neck, armpit, groin, and abdomen.

What does lymph contain?

Lymph contains white blood cells and protein.

How does the lymphatic system contribute to the immune response?

It helps in filtering bacteria and debris from lymph and blood.

What is the primary function of the spleen?

The primary function is to filter and remove old red blood cells and debris from the blood.

Where is the inguinal lymph node located?

In the groin area.