The chemical molecules that the endrocrine system uses to send signals to the body.
What are hormones?
The glands that sit on top of the kidneys and respond to fight-or-flight stresses.
What are adrenal glands?
This structure changes shape and does most of the focusing of incoming light.
What is the lens?
The bumps on the tongue that contain taste buds.
What are papillae?
The hormone that regulates calcium levels in the blood.
What is calcitonin?
The gland that produces T cells and shrinks with age.
This is one of the bones in the middle ear.
What is the malleus/incus/stapes?
These photoreceptors provide black and white vision and work well in low light levels.
What are rod cells?
One of the sensations that taste cells respond to.
What is sour/sweet/salty/bitter/umami?
One of the two hormones that regulate blood sugar levels.
What is insulin/glucagon?
The gland at the base of the brain that is controlled by the brain and hypothalamus.
What is the pituitary gland?
A structure found in the inner ear.
What is the cochlea/semicircular canals?
Light entering the eye is refracting to a focus on this internal layer of cells.
What is the retina?
A type of sensory receptor that responds to changes in pressure.
What is a mechanoreceptor?
The hormone that signals the body to sleep.
What is melatonin?
The brain, other glands and internal changes.
The body's sense of balance when the head and body are stationary.
The jelly-like substance that fills the middle of the eye.
What is the vitreous humor?
What is visceral pain?
Hormone-like chemicals that act locally in the body.
Anything emotional, physical or psychological that causes homeostasis to be disturbed.
What is stress?
Mechanoreceptors that respond to fluid movement in the cochlea.
What are hair cells?
The transparent portion of the sclera.
What is the cornea?
What is sensory adaption?