Respiration Is a Physiological Process by Which O₂ Enters the Internal

question 22

Essay

Respiration is a physiological process by which O₂ enters the internal environment and CO₂ leaves by diffusing across a __________.

---

Definitions:

Economy

The system of production, distribution, and consumption of goods and services within a particular geographic region.

Interstate Commerce

Trade, traffic, or transportation involving the movement of goods or services across state lines within the United States.

Tariffs

Taxes imposed by a government on imported or exported goods to protect domestic industries from foreign competition or to generate revenue.

Economic Decisions

The choices made by individuals, companies, or governments regarding the allocation of resources, investments, and policy formulations to influence the economy.