Front

What is the term for your reaction to a potentially challenging, threatening, or disturbing event?

Back

Stress is the body's response to a challenging or threatening situation.

Front

Which system carries nutrients to and wastes from every cell in the body?

Back

The circulatory system is responsible for transporting nutrients and waste throughout the body.

Front

Where is information collected and sent to our nervous system?

Back

Information is collected by our senses, which include sight, hearing, touch, taste, and smell.

Front

What are the two systems involved in movement in the human body?

Back

The skeletal and muscular systems work together to facilitate movement.

Front

What happens to the fluid in your inner ear when you spin around in a circle?

Back

The fluid in your inner ear continues to move even after you stop spinning, causing your brain to try to steady your muscles.

Front

Define diffusion in biological terms.

Back

Diffusion is the process by which molecules spread from areas of high concentration to areas of low concentration.

Front

What is osmosis?

Back

Osmosis is the movement of water molecules through a selectively permeable membrane from an area of low solute concentration to an area of high solute concentration.

Front

What role do the senses play in the nervous system?

Back

The senses collect information from the environment and send it to the nervous system for processing.

Front

Explain the function of the skeletal system.

Back

The skeletal system provides structure, support, and protection for the body's organs and facilitates movement.

Front

What is the primary function of the muscular system?

Back

The muscular system is responsible for the movement of the body and maintaining posture.