20 terms

Chapter 10 - Life Science

STUDY
PLAY

Terms in this set (...)

molting
the process of shedding an outgrown exoskeleton
cartilage
A connective tissue that is more flexible than bone and that protects the ends of bones and keeps them from rubbing together.
joint
A place in the body where two bones come together
muscle
tissue composed of fibers that can contract, causing movement of an organ or part of the body
nervous system
the network of nerve cells and fibers that transmits nerve impulses between parts of the body.
stimulus
a signal to which an organism responds
response
a reaction to a stimulus
neuron
a nerve cell; the basic building block of the nervous system
impulse
A sudden, involuntary urge to do something
sensory neuron
neurons that carry incoming information from the sensory receptors to the brain and spinal cord
interneuron
a neuron that carries nerve impulses from one neuron to another
motor neuron
a neuron that sends an impulse to a muscle or gland, causing the muscle or gland to react
brain
The mass of nerve tissue that is the main control center of the nervous system
water vascular system
A system of fluid-filled tubes in an echinoderm's body.
swim bladder
an air-filled sac near the spinal column in many fishes that helps maintain buoyancy
carnivore
A consumer that eats only animals.
herbivore
A consumer that eats only plants.
omnivore
An animal that eats both plants and animals
filter feeder
organism that filters small particles from water to get its food
digestion
Breakdown of food substances into simpler forms that can be absorbed and used