Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
26 Cards in this Set
- Front
- Back
|
What does Hierarchy mean?
|
Levels of organization
|
|
|
8 levels of organization?
|
Molecules, cells, tissues, organs, organ system, organism, society, environment.
|
|
|
Basic structure and function of the human body is?
|
Cells
|
|
|
What would be an example of unicellular organism?
|
Bacteria/Yeast
|
|
|
What % of a persons body weight is made up of water?
|
55-65%
|
|
|
What could cause dehydration?
|
Not enough eater intake, vomitting.
|
|
|
Is overhydration dangerrous?
|
Yes
|
|
|
What is hyponatremia?
|
What intociation (overhydreation)
|
|
|
Difference between solvent, solute, and solution
|
Solvent- things that dissolves solute.
Solute- things that solute dissolves. Solution- end up with |
|
|
What is a cation? anion?
|
Cation-positive ion
Anion-negative ion |
|
|
What are ions?
|
Particles negative and positive
|
|
|
Magnesium?
|
Carries out many of the jobs done by calcium. Critical for energy production. Proper nerve function. Helps regulate blood sugar
|
|
|
Potassium?
|
Body fluid buffer. Regulated by kindeys. Done hardening.
|
|
|
Sodium?
|
Most common mineral found outside the cells. Abundant in blood and body fluids, Water retained.
|
|
|
Potassium?
|
Most abundant mineral inside of cells. Major cation. Muscle/heart contractions.
|
|
|
Calcium?
|
Bone. Found in 2 forms in the body: diffusible calcium and nondiffusible calcium.
|
|
|
What is diffusion and what is an example of it?
|
Movinf particles from high to low concentration.
Ex. purfumes |
|
|
What is osmosis?
|
Diffusion of water.
|
|
|
Passive? Active?
|
Passive- no energy
Active- energy |
|
|
What would be an example of facilitated diffusion?
|
Using protein pumps to move large particles.
|
|
|
Hypertonic?
|
Lots of solute
|
|
|
Hypotonic?
|
Not a lot of solute
|
|
|
Isotonic?
|
Equal
|
|
|
Active transport pumping?
|
Not mass quantities.
|
|
|
Bulk active transport?
|
Large quantities of praticles
|
|
|
Example of exocytosis
|
Sweat
|
