Rough and smooth endoplasmic reticulum
A: Homeostasis
Reason: cell membrane has nothing to do with question and C and D are terms for sugars
The digestive system uses mechanical and chemical methods to break food down into nutrient molecules that can be absorbed into the blood. ... Some animals ues intracellular digestion, where food is taken into cells by phagocytosis with digestive enzymes being secreted into the phagocytic vesicles.
