The Environmental Carcinogens Known as Initiators Cause Cancerous Changes in Cellular

question 12

True/False

The environmental carcinogens known as initiators cause cancerous changes in cellular functioning.

---

Definitions:

Respiratory System

The complex network of organs and tissues, including the lungs and airways, responsible for the exchange of oxygen and carbon dioxide between the body and the environment.

Leukocytes

White blood cells that are part of the immune system, helping to fight off infections and diseases.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration, essential to plant photosynthesis.

Alveoli

Tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide occurs.