Glucagon and insulin have antagonistic effects, with glucagon promoting glucose production and release into the bloodstream, and insulin promoting the transport of glucose into cells from the bloodstream and inhibiting glucose production. In which way this two component work together to make sure your still at homeostasis.
I think it would be the option "C"
-I'm not sure-
Hind limbs are sturdier, longer and stronger.
The hind limbs are more firmly attached to the spine (via pelvis) than are the forelimbs
