Which system is responsible for breaking down food? A. endocrine system

B. digestive system

C. excretory system

D. lymphatic system

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

What maintain homeostasis when a persons internal body temperature is 97.5°f

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?