The clear fluid transported in lymphatic vessels is called:

Lymph is formed from:

Lymph moves through the body mainly by:

Small, round structures that filter lymph and produce lymphocytes are:

The largest lymphatic vessel in the body is the:

The spleen is located in the:

A major function of the spleen is to:

The organ that produces T-lymphocytes and is largest during childhood is the:

The tonsils are located in the:

The right lymphatic duct drains lymph from:

The thoracic duct drains lymph into the:

Specialized lymphatic capillaries in the small intestine that absorb fats are called:

Lymph nodes produce which type of blood cells?

The condition in which lymph nodes become swollen and painful is:

Severe swelling caused by blocked lymph flow is called:

A chronic, malignant disease of the lymph nodes is:

The inflammation of lymph vessels is known as:

The spleen stores:

Which of the following is NOT a function of the lymphatic system?

Lymph nodes are found in all the following areas EXCEPT:

The thymus is most active during:

Lymphatic capillaries merge to form:

The lymphatic system works closely with which other system to defend the body?

Collects fluid that leaks from blood and returns it to the blood.

The main function of the LYMPHATIC SYSTEM (a.k.a. Immune) is to transport oxygen and nutrients to the body.

What is the body's first line (non-specific) of defense against infection by foreign organisms?

White blood cells are an important part of the human immune response. Two types of white blood cells, neutrophils and macrophages, act as phagocytes. Phagocytes perform which of the following functions in the human body?