muddiest point

Okay im looking through the blog and i dont see my post or comment so ill just post it again....

My muddiest point is the diffusion in the blood stream, im still conused by that

muddiest point

REFLEX ARC anyone??? i dont get how it works!

My Muddiest Point

My muddiest point this unit is the difference between an artery and a vein. Thanks!

Muddiest Ponittt

Hi everybody! How you derin? :) My muddiest point is which way does blood travel in the heart???????? Thanks

mudddddy

Hi everyone! It's Tessa N here. I'm confused on what the reflex arc is... can anyone explain it?

muddier point

the thing i find confusing about this is the circulatory system and all the different ways things get around. also what we have to know what is carried through the system

MOODIEST POINT :X

my muddiest point is the reflex arc and everything about it and then the circulation of the blood in the heart (oxygen rich and oxygen poor)