***PLEASE NEED HELP NOW IF YOU CAN*** Which of the following molecules would you expect to diffuse through the lipid bilayer of a plasma membrane most rapidly?

a. sodium ions
b. glucose
c. starch
d. oxygen gas

The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?

What is the problem in this article? what solution does the article propose?

Which type of stimulus do mechanoreceptors detect? sound pain heat light