Save
Upgrade to remove ads
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

Phisiology week 7-13

QuestionAnswer
What ions usually move through these channels? Sodium (Na⁺), potassium (K⁺), calcium (Ca²⁺), or chloride (Cl⁻)
What’s the difference between EPSPs and IPSPs? EPSPs make the neuron more likely to fire; IPSPs make it less likely.
What are the two main parts of the nervous system? CNS (brain and spinal cord) and PNS (everything else).
What are the two parts of the autonomic nervous system (ANS)? Sympathetic and parasympathetic.
Which part of the ANS is “fight or flight”? Sympathetic.
Which part of the ANS is “rest and digest”? Parasympathetic.
What’s the difference between sensory and motor neurons? Sensory neurons bring info to the CNS; motor neurons send commands from the CNS.
What do photoreceptors do? Detect light in the eye and send signals to the brain.
What are the five main taste sensations? Sweet, sour, salty, bitter, umami.
What are the two main types of hormones? Peptide (protein) and steroid.
How do peptide hormones work? They bind to receptors on the cell surface and trigger a response inside.
How do steroid hormones work? They enter the cell and change how genes are expressed.
What’s the order of blood flow through the heart? Body → right atrium → right ventricle → lungs → left atrium → left ventricle → body.
What is the heart’s pacemaker? The SA node.
How are arteries and veins different? Arteries carry blood away from the heart; veins carry it toward the heart.
What do red blood cells do? Carry oxygen with hemoglobin.
What helps blood clot? Platelets.
What does the lymphatic system do? Returns fluid to the blood and helps fight infections.
What are the main lymphoid organs? Bone marrow and thymus.
What are the two main adaptive immune cells? B cells and T cells.
How is innate immunity different from adaptive immunity? Innate is fast and non-specific; adaptive is slower, specific, and has memory.
What is an antigen? Something that triggers the immune system.
What is the main breathing muscle? The diaphragm.
Where does gas exchange happen? In the alveoli.
How is oxygen carried in the blood? Mostly by hemoglobin in red blood cells.
What happens to CO₂ in the lungs? It moves from blood to alveoli to be exhaled.
What is tidal volume? The amount of air inhaled or exhaled in a normal breath.
What macronutrients are digested in the small intestine? Carbs, proteins, and fats.
Where is most nutrient absorption done? In the small intestine.
What does bile do? Breaks fats into smaller pieces for easier digestion.
Which enzyme starts carb digestion in the mouth? Salivary amylase.
How are amino acids absorbed? Through active transport into the blood from the small intestine.
Created by: Jvallejo51
 

 



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