Skin
Misc
Nervous System
Heart
Respiratory System
100

This part of the skin of a cow is worn when someone wears a leather jacket.

What is the dermis?

100

These this epithelium is a single layer of ice-cube-shaped cells that typically secretes mucous.

What is simple cuboidal?

100

These fatty insulators wrap around the axon of nerve cells.

What are myelin sheaths?

100

This chamber of the heart is the first area that oxygenated blood visits.

What is the left atrium?

100

Sometimes referred to as the "wrong pipe", this tube like structure carries air to and from the lungs.

What is the trachea?

200

These glands become active when you're working out or feverish.

What are sudoriferous glands?

200

This type of epithelium is located in the nasal cavity where a large amount of mucous is secreted, but diffusion can also occur.

What is simple columnar.

200

Nerve cells use these chemical signals to communicate.

What are neurotransmitters?

200

Located between the right ventricle and the lungs, this structure prevents backflow of blood during diastole.

What is the pulmonic valve?

200

These tubes extend from the trachea.

What are the bronchi?

300

This part of the skin contains the melanocytes and flattened cells that are filled with keratin.

What is the epidermis?

300

This type of epithelium is located in the lungs where diffusion of oxygen and carbon dioxide are exchanged.

What is simple squamous?

300

If your Broca or Wernicke area of the brain is damaged by a stroke, this disease occurs.

What is aphasia?

300

The heart is perfused by these tiny blood vessels that stem from the aorta and service the myocardium from the outside.

What are the coronary arteries?

300

These small grape-like sacs, are where oxygen and carbon dioxide are exchanged in the lungs.

What are the alveoli?

400

UV radiation is absorbed by this protein that is produced in the stratum basale.

What is melanin?

400

This type of tissue is used to protect and hold organs together.

What is dense connective tissue?

400

This part of the neuron is where the signal is received.

What is the dendrite?
400

This chamber of the heart has the thickest myocardium.

What is the left ventricle?

400

This thin muscle is the divider between the thoracic and peritoneal cavities.

What is the diaphragm?

500

These muscles are remnants of our days as hair-covered mammals.  They are noticeably active during the winter months.

What is the arrector pili?

500

This bone is formed by 5 fused bones that make up the back of the pelvis.

What is the sacrum?

500

These active transporters use ATP to repolarize the neuron in a 3 to 2 ratio.

What are sodium-potassium pumps?

500

Since fetal lungs aren't able to receive freshly oxygenated air, the heart of a fetus is diverted around the lungs.  Sometimes the hole that provides this detour remains open in fully developed humans.  

What is a Patent Foramen Ovale?

500

This flap of cartilage is located at the base of the tongue and...hopefully...prevents things from going down the "wrong pipe".

What is the epiglottis?