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

StudyStack Set 2

Body Organization/Chemistry of Life/Cell Structure/Tissue Types/Skin

QuestionAnswer
1. What are the major levels of body organization from the simplest to the most complex? Chemical level; organelle level; cellular level; tissue level; organ level; system level; organism level
2. What are the two feedback control systems with examples? Negative feedback system- An inhibitory mechanism that works to revert a change. For example, body shaking when it is cold or producing sweat during hot weather. Positive feedback system- Sustains the change, like increased contractions in childbirth.
3.What is the role of buffers in blood pH regulation? Buffers help regulate the concentration of hydrogen (H+) and hydroxide (OH-) ions to maintain the blood within the normal range of 7.35-7.45.
4. What are four major important groups of organic molecules? Carbohydrates Proteins Lipids Nucleic Acis
5. Why is rough endoplasmic reticulum (ER) referred to as rough and what is its main function? The rough ER is called rough due to presence of ribosomes in its layers. Its main function is to synthesize proteins.
6. How are gap junctions formed and their function? Gap junctions are cell connections formed when membrane channels of adjacent cells come into contact. They help specific molecules and electrical impulses to pass through against electrochemical gradient.
7. What are the three primary germ layers? Ectoderm Mesoderm Endoderm
8. What are the principal types of tissues? Give examples Epithelial tissue- Outer skin layers; respiratory system lining Connective tissue-Joint cartilage, blood, fat Muscle tissue-heart muscle Nervous tissue sensory organs
9. What are the primary layers that comprise the skin? Epidermis- Thin, outer layer Dermis- Thick, inner layer
10. What are the two major components of the bone matrix? Organic matrix; usually bone and other connective tissue Inorganic salts; calcium and phosphates
Created by: Maaron F
Popular 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