The Best Statistics Indicate That Each Person in the United

question 13

Multiple Choice

The best statistics indicate that each person in the United States averages using about ____ times as much energy as a person in India, and about ____ times as much as an individual in Italy or ____'

• A) thirty-five; three; France.
• B) three; ten; France.
• C) five; seven; Germany.
• D) fifteen; two; England.
• E) five; ten; France.

---

Definitions:

Cytokines

Chemicals secreted by T lymphocytes in response to an antigen. Cytokines increase T- and B-cell production, kill cells that have antigens, and stimulate red bone marrow to produce more white blood cells.

Major Histocompatibility Complex

A group of genes that play a critical role in the immune system's recognition of foreign molecules.

Activates T Cells

The process involved in stimulating T lymphocytes, a type of white blood cell, to respond to pathogens or infected cells.

Unique

Being the only one of its kind; unlike anything else.