PMA 2 Review

Front

What property of a magnifying lens allows it to magnify objects?

Back

It can refract light.

Front

Which statements correctly describe infectious agents?

Back

Statements 1 and 3.

Front

What role do the lungs play in maintaining homeostasis for the excretory system?

Back

The lungs exhale carbon dioxide, which is a waste gas and needs to be removed from the body.

Front

What happens when two tectonic plates push against each other?

Back

The plates will slowly converge causing a mountain to form.

Front

How does the human body respond in a cold environment to maintain homeostasis?

Back

The nervous system signals the muscles of the muscular system to contract and warm the body.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another.

Front

Define infectious agents.

Back

Infectious agents are microorganisms that can cause disease, such as bacteria, viruses, fungi, and parasites.

Front

What is homeostasis?

Back

Homeostasis is the process by which living organisms maintain a stable internal environment despite changes in external conditions.

Front

What is the function of the excretory system?

Back

The excretory system removes waste products from the body and regulates water and electrolyte balance.

Front

What are tectonic plates?

Back

Tectonic plates are large sections of the Earth's lithosphere that move and interact with each other, causing geological activity.