Withdraw or C- (Human Anatomy)

I'm a junior taking Human Anatomy, my current grade lies at a D+. I could get it up to a C maybe or a C+ (best case scenario). Should I just withdraw? I am taking Biochem, Physics, developmental biology, and research at the same time. Currently my GPA is (3.58). If I don't withdraw it won't go up, if I do withdraw, it will. (Also this class is not required) Also if I withdraw from the class I will also have to withdraw the lab (1 cred. Class). I never withdrew from a class before, and this... Withdraw or C- (Human Anatomy)
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Source Type: forums