The
body of a bee is split up into 3 main parts:
the head, the thorax, and the abdomen.
Four wings are attached to the thorax. The
fore wings are much larger than the hind
wings, and both are used for flight and
steering. Flapping is achieved by the
contraction and relaxation of the longitudinal
and vertical muscles within the thorax that
are attached to the wings. The downward
movement of the wings are due to the
contraction of the longitudinal muscles and
relaxation of the vertical muscles, while the
upward movements are due to the longitudinal
relaxing and the vertical muscles contracting.
In order to keep up with high wing stroke
frequencies, each time the nervous system
fires a signal, the flight muscles contract
multiple times (Collison, 2016).
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(https://medium.com/@janepetty/the-bee-movie-teaches-that-if-bees-die-people-die-1bc227666c47)
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