Human Body Systems

A good example of positive feedback is:

The liver converts ammonia to:

After entering the mouth, food travels down the:

What machine is needed when the kidneys stop working completely?

Which body system is responsible for food processing?

The subject that studies body structure is:

Which type of feedback reverses an initial change, keeping the body in balance?

In a closed circulatory system, blood is confined to:

The heart consists of multiple kinds of tissues.

The brain and the spinal cord make up the:

Urine begins as cell waste in the form of:

What is the scientific term for putting food in your mouth?

T or F: Organ systems work independently and never communicate with each other.

Chewing using teeth is an example of mechanical digestion.

The subject that studies body functions is:

A nervous system cell (in its entirety) is also known as a:

Which organ integrates, or makes sense, or nervous system signals?

Which is the correct order that excreted liquid follows as it leaves the body?

Insects have an open circulatory system.

The force that blood pushes against the wall of an artery is known as:

Which term describes "the maintenance of relatively constant internal conditions"?

The urinary system is also known as the:

The largest blood vessels are:

Which body system includes the skin, hair, and nails?

Vertibrates, including mammals, have ____ major organ systems.

What part of the kidney filters waste out of the blood?

What is the smallest level of organization in a living thing?

Which part of the brain is most responsible for responsible for voluntary activities such as intelligence and learning?

The body system that exchanges gases (O2 and CO2) is the:

Simple animals exchange materials directly with their environment by:

"A change that brings about a response" is a:

The small intestine's villi are full of:

What does your body use as its fuel?

What is the scientific term for solid waste exiting the body?