Explain how you would regain your balance on a bicycle using the terms stimulus, control center, set point, receptors, effectors, and imbalance in your answer

is this a psat question, if so do not cheat try your best.

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.

trachea, alveoli, lung capillaries, arteries