Working Together
Big and Small
Holding Steady
Not for the Dentist
It's All Relative
100

The system consisting of bones, ligaments, and cartilage.

What is the skeletal system?

100

The smallest unit of matter that can be identified as a specific substance.

What is an atom?

100

The condition of a stable internal environment

What is homeostasis?

100

The cavity containing the lungs and heart

What is the thoracic cavity?

100

The head, in relation to the thorax

What is superior?

200

The system that is responsible for gas exchange between blood and air.

What is the respiratory system?

200

The small components found inside of cells.

What are organelles?

200

The "target" range that must be maintained for a condition necessary for life, such as temperature or blood sugar.

What is the set point?

200

The cavity containing the most of the digestive organs

What is the abdominal cavity?

200

The eyes, relative to the brainstem

What is anterior?

300

The system that fights infections by removing disease-causing microorganisms and viruses from tissue fluid.

What is the lymphatic system?

300

The unit comprised of several tissues.

What is an organ?

300

A process that enhances the stimulus

What is a positive feedback loop?

300

The cavity containing the bladder

What is the pelvic cavity?

300

The elbow, relative to the wrist

What is proximal?

400

The system whose cells communicate with each other by way of a system of chemical signals released in response to external stimuli.

What is the nervous system?

400
Many molecules combined to form a large, unique unit that has biological activity.

What is a macromolecule?

400

Another word for a homeostatic mechanism

What is a feedback loop?

400

The cavity containing the brain

What is the cranial cavity?

400

The nose, relative to the ears

What is medial?

500

The system containing all the glands that secrete chemical messengers called hormones.

What is the endocrine system?

500

The most complex level of organization found in living things. 

What is an organism?

500

An effector.

What produces the response in a feedback loop?

500

The cavities containing the eyes

What are the orbital cavities?

500

The skin, relative to the heart

What is superficial?