Abeka 7th grade science quiz 8

Any ability of the body to resist invasion by a disease causing organism.

immunity

In what organ do lymphocytes mature>

thymus

What are the enlarged bundles of lymphatic tissue that filter lymph?

lymph nodes

What are the tubes that transport urine from the kidneys to the bladder?

ureters

What group of disease-fighting cells do phagocytes and lymphocytes belong to?

white blood cells

The largest lymphatic organ is the_____________

spleen

To aid in the fight against invaders, B cells produce ________, molecules that bind to invading organisms to inactivate them and mark them for destruction.

antibodies

The body system that fights invading organisms and includes the lymphatic system is the ________ system.

immune

Body cells are surrounded by a clear fluid called

tissue fluid

Wastes are removed from the body by the _______ system.

excretory