Break down food into simpiler compounds in order to supply nutrients to the body - monosacchrides, nucleotides, peptides, lipids.
Answer:
Reflex action is the sudden uncontrolled reaction towards a certain stimuli eg response to hot iron
Reflex arc is the path taken by reflex action to a certain stimuli
Diagram depends to
Receptor(eg skin), receptor nerve(sensory neurone),centre reflex arc(spinal cord most of reflex action) they met relay neurone, motor neurone and ends at reflexor (eg muscle)
Most bacterias are heterotrophs. Meaning they can't make their one good ( sadly :3)
Both of them produce mucus.