20 questions
In diffusion, particles move down a _______ ________
Concentrate gradient
Conceited gradient
Concentration gradient
Concentrated orange juice
What is DIFFUSION?
Diffusion occurs only in solids
True
False
What is a solute?
A substance dissolved in another substance
the substance doing the dissolving
What is a solvent
The one doing the dissolving
The substance dissoved in another substance
How long does diffusion last?
Until the concentration of particles in the system is equal
(Select this answer and I swear i'll make it harder for you in the assessment task)
Until a region in the system has a greater concentration of particles than the other
Until the particles disappear from the system
What happens to the concentration of carbon dioxide in you cells when you exercise
Increase
Decrease
Remain constant
What hapens to the concentration of oxygen in the body cells when you exercise?
Increase
Decrease
Remain constant
How does the body remove carbon dioxide from the cells?
The body cells converts carbon dioxide into carbon monoxide
The body cells don't expel the waste, they store them for future use
The body cells expel the carbon dioxide through the use of the nucleus
The carbon dioide diffuses out of the body cells and into the bloodstream due to differences in the concentration gradient
The movement of particles is __________, resulting in the particles being spread throughout the container
Structured
In a straight line
Random
In curved, way motions