Hormones
Glands
The Ear
The Eye
Other Senses
100

The chemical molecules that the endrocrine system uses to send signals to the body.

What are hormones?

100

The glands that sit on top of the kidneys and respond to fight-or-flight stresses.

What are adrenal glands?

100
The first structure in the ear that vibrates in response to incoming sound waves.
What is the eardrum?
100

This structure changes shape and does most of the focusing of incoming light.

What is the lens?

100

The bumps on the tongue that contain taste buds.

What are papillae?

200

The hormone that regulates calcium levels in the blood.

What is calcitonin?

200

The gland that produces T cells and shrinks with age.

What is the thymus?
200

This is one of the bones in the middle ear.

What is the malleus/incus/stapes?

200

These photoreceptors provide black and white vision and work well in low light levels.

What are rod cells?

200

One of the sensations that taste cells respond to.

What is sour/sweet/salty/bitter/umami?

300

One of the two hormones that regulate blood sugar levels.

What is insulin/glucagon?

300

The gland at the base of the brain that is controlled by the brain and hypothalamus.

What is the pituitary gland?

300

A structure found in the inner ear.

What is the cochlea/semicircular canals?

300

Light entering the eye is refracting to a focus on this internal layer of cells.

What is the retina?

300

A type of sensory receptor that responds to changes in pressure.

What is a mechanoreceptor?

400

The hormone that signals the body to sleep.

What is melatonin?

400

The brain, other glands and internal changes.

What controls endocrine glands?
400

The body's sense of balance when the head and body are stationary.

What is static equilibrium?
400

The jelly-like substance that fills the middle of the eye.

What is the vitreous humor?

400
A type of pain originating from internal organs and tissues.

What is visceral pain?

500

Hormone-like chemicals that act locally in the body.

What are prostaglandins?
500

Anything emotional, physical or psychological that causes homeostasis to be disturbed.

What is stress?

500

Mechanoreceptors that respond to fluid movement in the cochlea.

What are hair cells?

500

The transparent portion of the sclera.

What is the cornea?

500
The brain's ability to ignore some repetitive or continuous sensory signals.

What is sensory adaption?