Based Upon the Text, Approximately How Many Humans Must Individuals

question 7

Multiple Choice

Based upon the text, approximately how many humans must individuals consider if their emphasis is upon the advancement of humankind?

• A) All of the approximately 7.5 billion persons who live on the planet Earth
• B) Only persons who live within one's own "country"
• C) Only those persons who live on the same land masses which are often called continents
• D) Only those in one's own racial/ethnic group

---

Definitions:

Nervous System

A collection of neurons and their interconnected fibers responsible for sending nerve messages across the body, integrating physical activities and sensory inputs.

Hormones

Chemical substances produced in the body that regulate the activity of cells or organs.

Psychologists

Professionals who study mental processes and behavior in humans and animals.

Neurotransmitters

Chemical messengers that transmit signals across a chemical synapse, from one neuron (nerve cell) to another target neuron, muscle cell, or gland cell.