1why are a birds flight muscles found ventrally to the body's axis
Which is harder - hoisting the wings up, or pulling them down? Hoisting them up is harder. The muscles are situated ventrally because otherwise the bird would be top heavy and not stable in flight. The muscles work from beneath the wing by extending a tendon through the foramen triosseum. Comparative vertebrate biology exam soon, by any chance?
Which is harder - hoisting the wings up, or pulling them down? How do the wings work? Which direction (up or down) do they have to work harder or meet more air resistance?