By 1929, as Many as 7 Million Americans, Most of Them

question 24

True/False

By 1929, as many as 7 million Americans, most of them people of ordinary, middle-class means, owned stock.

---

Definitions:

Erythrocytes

These are red blood cells, responsible for carrying oxygen throughout the body via the blood.

Thrombocyte

Another term for platelets, which are small, disc-shaped blood cells crucial in blood clotting and preventing excessive bleeding.

Erythrocyte

A red blood cell that is responsible for carrying oxygen and carbon dioxide throughout the body.

White Blood Cell

Cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.