The ears are involved in balance, but it's more than just them.
Your eyes are also important, as well as your body's sense of where it is in space.
Seeing as Peter is male, he's seeing a counselor (which indicates mental/emotional/psychological issues) and has been referred to a urologist, I'd say his problem is erectile dysfunction, or choice #2.
Homeostasis, aka your body maintaining life and the right amounts of stuff.
Cell wall won’t be found in a animal cell since it’s only there in a plant cell.
Answer:
D
Explanation:
Plant cells have chloroplasts to turn light energy into glucose through photosynthesis, but animals do not, since animals do not make their own food.
