Muscles
Nerves
Senses
Endocrine
Blood and Heart
100

Longest muscle in the body

sartorius

100

This division of the nervous system carries signals from nerve endings to the central nervous system.

Sensory or afferent division

100

Receptor that responds to light, found only in the eye. 

Photoreceptor

100

Stimulates the thyroid gland to secrete thyroid hormone

Thyroid stimulating hormone

100

Secreted by the kidneys on response to low oxygen levels. 

Erythropoietin

200

The bulging calf muscles

Gastrocnemius and soleus

200

These cells are the most numerous of the neuroglia and are predominantly found in the blood brain barrier.

Astrocytes

200

This eye structure secretes a thin layer of mucous to keep your eyeball moist. 

Conjunctiva

200

Stimulates ovulation in females

Luteinizing hormone

200

In ends of long bones and in flat bones. 

Where to find red bone marrow in adults. 

300

This muscle raises your eyebrows

Frontalis

300

An injury to this part of the brain will most likely impair reasoning and likely cause inappropriate behavior.

Frontal lobe

300

The 3 smallest bones of the human body found in our auditory ossicles. 

Malleus, incus and stapes

300

Acts on the kidneys to reduce urine volume

Vasopressin or antidiuretic hormone

300

This valve is located on the left side of the heart between the atrium and ventricle. 

Mitral or bicupid valve

400

This muscle flexes the thigh in opposition to the gluteus maximus

Iliopsoas

400

This portion of the brain controls the autonomic nervous system. 

Hypothalamus

400

AKA Sense of taste

Gustation

400

Stimulates milk production in females

Prolactin

400

This valve is between the right atrium and right ventricle

Tricuspid

500

This muscle is the prime mover of the forearm.

Brachialis

500

Midbrain, pons and medulla oblongata.

Brainstem
500


These two part of the inner ear play a role in balance and equilibrium.

Vestibule and semicircular canals

500

Acts on the entire body to promote protein synthesis, lipid and carbohydrate metabolism, bone and skeletal muscle growth

Somatotropin

500

Ejection fraction directly relates to this. 

Stroke volume

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