Disease
Name
Immune System
Define
Lymphatic System
Terms
100

Disease that can be spread from person to person

Communicable disease

100

Microscopic organism; also called microbe

Microorganism

100

Thick, sticky fluid that traps pathogens; produced by mucous membranes

Mucus

100

Fluid that surrounds cells; keeps cells clean and balanced with liquid

Tissue fluid

100

Part of the immune system that collects tissue fluid and cleans the body of pathogens

Lymphatic system

100

Tissue fluid that has been forced into lymph vessels

Lymph

200

Disease that cannot be spread from person to person

Noncommunicable disease
200

Microorganism that can cause disease; a germ

Pathogen

200

The body's ability to resist and protect itself against infectious diseases

Immunity

200

Increased blood flow caused by histamine; makes the tissue become red, swollen, and tender

Inflammation

200

The smallest vessels of the lymphatic system

Lymph capillaries

200

A transportation vessel for lymph

Lymph vessel

300

The condition of having too much body fat

Obesity

300

Single-celled microorganism that does not have a cell nucleus

Bacterium

300

Y-shaped molecules made by lymphocytes to help protect the body from disease and infection

Antibodies

300

Hair-like projections that keep pathogens from getting into the lungs

Cilia

300

Large bunches of lymphatic tissue located throughout the body

Lymph nodes

300

Largest organ of the lymphatic system; cleanses the blood

Spleen

400

Disease caused by the uncontrolled growth of body cells

Cancer

400

Pathogen much smaller than a bacterium; reproduces by using a host cell of the body

Virus

400

White blood cells that find, surround, and destroy pathogens

Phagocytes

400

Chemical messenger that triggers inflammation

Histamine

400

A group of lymph nodes at the back of the throat

Tonsils

400

Lymphatic organ that prepares lymphocytes to fight pathogens

Thymus

500

Disease that causes extra sugar to collect in the blood

Diabetes mellitus

500

Animal that can carry a pathogen and transmit it to humans

Vector

500

White blood cells that recognize and attack invading pathogens, produce antibodies, and can become memory cells

Lymphocytes

500

Special enzyme found in tears that can kill bacteria

Lysozyme

500

A group of lymph nodes at the back of the nose

Adenoids

500

Groups of lymph nodes in the walls of the small intestine

Peyer's patches