Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Human Body Systems

TermDefinition
tissue a group of similar cells that perform a similar function
organ a body structure that is composed of different kinds of tissues that work together
organ system a group of organs that work together to perform a major function
gland an organ that produces and releases chemicals either through ducts or into blood stream
hormone 1) the chemical produced by an endocrine gland 2) a chemical that affect growth and development
stress the reaction of a persons body to potentially threatening or challenging or disturbing events interactions
interactions a direct effect of one thing has on another
stable resistance to sudden change
digestion a process by which your body breaks down food into small nutrient molecules
nutrients the substance in food that provide raw materials body cells need to carry out their essential process
absorption the process by which nutrient molecules pass through the wall of the digestion system into the blood
carbohydrates the energy rich organic compound such as sugar or starch that is made of the elements of carbon hydrogen and oxygen
peristalsis waves of smooth muscle constructions that move food through the esophagus towards the stomach
saliva fluid released through glands in the mouth that play an important role in mechanical and chemical digestion
enzymes proteins that speed up chemical reaction in the body
elimination active removal of materials from the body
circulatory system an organ system that transports needed materials to cells and removes waste
contract to draw together to reduce in size
artery a blood vessel that carries blood away from the heart
vein a blood vessel that carries blood back to the heart
capillary a tiny blood vessel where substances are exchanged between blood and body cells
lymph fluid that travels through lymphatic system consisting of water, white blood cells, and dissolved materials
bronchi the two passages that direct air into the lungs
alveoli tiny thin wall sacs of lung tissue specialized for the movement of gases between air and blood
excretion the process of moving wastes
nephron small filtering structure in the kidneys that removes wastes from blood and produces urine
neuron cell that carries information through the nervous system
synapse the junction where one neuron can transfer an impulse to another neuron
impulse a message carried by a neuron
brain the part of the central nervous system that is located in the skull and controls most functions of the body
spinal cord thick column of nervous tissue that links the brain to most of the nerves that branch out through the body
reflex an automatic response that occurs without conscious control through the somatic nervous system
negative feedback the process by which a system is turned off by the condition it produces
Created by: user-1718260
Popular Physical Science sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards