Abeka 9th Grade Health Quiz 11

Pathogens

Disease-causing organisms such as bacteria, viruses, and fungi are called ___?___.

White blood cells

The most important components of the immune system are the ___?___.

Antibodies

Y-shaped protein molcecules that fight pathogens are called ___?___.

Spleen

The body's largest lymph organ is the ___?___.

Skin

The organ that serves as a shield to protect the body from invading pathogens is the ___?___.

Adenoids

Special accumulations of lymphatic tissue in the throat which help defend against infection are the tonsils and ___?___.

Tonsils, Thymus, Spleen, Peyer's Patches

Label: Write the name of each numbered organ.

Tonsils

Thymus

Spleen

Peyer's patches