The Lymphatic System

What are the small organs on both sides of your throat?

• thymus

• spleen

• tonsils

• lymph nodes

Which organ is NOT part of the lymph nodes?

• spleen

• spoon

• thymus

• lymph nodes

Identify a function of the lymphatic system. (choose 3)

• removing excess fluid around organs

• produce white blood cells

• absorbing and transporting fats

• carries blood away from the heart

How much percent of the human body is water?

• 50

• 65

• 99

• 60

When fluid builds up around organs, swelling can occur. To prevent ________, the lymphatic system removes the fluid.

• swelling

• harmful

• lymphocytes

• bacteria

What is a type of white blood cell that is made in the thymus, spleen, or the bone marrow?

• blood

• lymphocyte

• capillaries

• skeletal system

How do lymphocytes protect the body?

• to remove urine through a urethra

• they would travel through the circulatory system, defend against infection

• transports nutrients, gases, wastes, and other substances

• remove carbon dioxide and excess water vapor

Define immunity:

• the resistance to specific pathogens, or disease-causing agents.

• the to specific pathogens, or disease-causing agents.

• removes liquid wastes from the body

• contains nutrients

If the body is exposed to the same bacteria, virus, or substance later, some immune cells remember and make proteins called...

• viruses

• antibodies

• hollow, as a cell or container

• lymphocytes

Which 3 diseases are caused by viruses?

• colds, AIDS, and chicken pox

• colds, AIDS, and bacteria

• colds, heart disease, and chicken pox

• colds, cancer, and AIDS