In passive transport, substances simply move from an area of higher concentration to an area of lower concentration, which does not require the input of energy. Concentration gradient, size of the particles that are diffusing, and temperature of the system affect the rate of diffusion
Explanation:
microbes for absorption of nutrients. a patient with celiac disease lacks the cilia necessary to absorb nutrients, located in the small intestine; resulting in starvation, vomiting,weight loss..until death, usually by the age of 30 or b4.
I think it’s b but I have no experience in this subject sorry
