Term |
Definition |
Bile |
The enzyme that the liver produces |
Pupil |
The opening in the eye that allows light to enter |
Urethra |
The tube that carries urine from the bladder out to the outside |
Bladder |
The place where urine is stored |
Hydrochloric Acid |
The acid in the stomach |
Kidneys |
Blood is filtered in these organs |
Olfactory |
Special cells that aid in the sense of smell |
Pyloric Valve |
The valve that is between the stomach and the small intestine |
Mechanical |
Chewing is this form of digestion |
Chyme |
The thin watery fluid that food becomes in the stomach |
Stimulus |
Any change inside or outside the body that brings about a response |
Optic nerve |
The type of nerve that carries visual signals to your brain |
Colon |
A common name for the large intestine |
synapse |
The small space between neurons |
Cerebellum |
The part of the brain that controls voluntary muscles |
Peristalsis |
The muscular action that moves food through the digestive tract |
Ureter |
The tube that carries wastes from the kidneys to the bladder |
Retina |
Eye tissue that is composed of rods and cones |
Mucus |
This is something that you swallow that protects the stomach wall |
Auditory Nerve |
The type of nerve cells that carry sound signals to the brain |
Axon |
Carries messages away from the neuron cell body |
Esophagus |
Sometimes called the food tube |
Dendrites |
Receives neuron messages and sends them to the cell body |
Cerebrum |
The largest part of your brain |
Reflex |
Involuntary, automatic response to a stimulus |
Lens |
Focuses images onto the retina |
Iris |
Muscle wrapped around the pupil which also gives eyes their color |
Tendon |
Thick bands of tissue that attach muscles to bone |
Marrow |
The place in the bone where cells are made |
Vertebrae |
The bones that protect the spinal cord |
Periosteum |
The tough outer layer of bone |
Hinge |
Your knees and ankles are this type of joint |
Compact |
The hardest layer of bone |
Quadracep |
The muscle in front of your femur |
Clavicle |
The collar bone |
Femur |
The thigh bone |
Cartilage |
The natural shock absorbers for your bones |
Immovable |
The type of joints in your skull and pelvis |
Humerus |
The bone in your upper arm |
Involuntary |
Muscles that work automatically without thought |
Joint |
Where bones meet or come together |
Cornea |
The front outer surface of your eyeball |
Ligaments |
Bands of tissue that keep joints in place |
Minerals |
The substances that make bones harden |
Tricep |
The muscle that contracts when you straighten your arm |