Introduction
Cells & Tissues
Bones
Muscles
Senses
Endocrine System
100

This type of feedback loop reverses changes back toward a setpoint value

What is negative feedback

100
An example of this type of bone would be a vertebrae.

What is an irregular bone?

100

The term used to describe a muscle cell.

What is a muscle fiber?

100

These receptors are responsible for the sense of smell?

What are olfactory receptors?
100

This hormone produces masculine characteristics.

What is testosterone?

200

This organelle is the cell's "powerplant" and synthesizes ATP

What is the mitochondria? 

200

The shaft of the bone.

What is the diaphysis?

200
This means moving a part of the body towards the midline.

What is adduction?

200

Gustatory cells are found here.

Where is the mouth/tongue?

200

This hormone is produced in the pineal gland and helps to regulate the sleep/wake cycle.

What is melatonin?

300

This organelle is only found in sperm cells.

What is a flagella?

300

Bone forming cells

What are osteoblasts?

300

This movement describes pointing the toes downward.

What is plantar flexion?

300
The colored part of the eye.

What is the iris?

300

This hormone stimulates breast development in pregnancy and milk secretion after pregnancy. 

What is prolactin?

400

Higher than normal amounts of sodium in the blood.

What is hypernatremia? 

400

The skull and spine are both components of this part of the skeleton.

What is the axial skeleton?

400

This muscle forms the thick rounded prominence over the shoulder and arm (often the site of IM injections).

What is the deltoid?

400

The eye contains these photoreceptors?

What are rods and cones?

400

This hormone decreases blood glucose concentation.

What is insulin?

500

A muscle tissue that contains intercalated disks.

What is cardiac muscle tissue?

500

This part of the bone is at the end and is filled with red bone marrow.

What is the epiphysis?

500

These are painful involuntary muscle spasms.

What are cramps?

500
This is commonly referred to as "pink eye."

What is conjunctivitis?

500

A painless enlargement of the thyroid gland. 

What is a simple goiter?