Examlex
In most species the _______ invests most of the energy in raising the young and the _______ chooses the mate.
Diaphragm
A dome-shaped muscle that separates the chest cavity from the abdominal cavity, playing a crucial role in breathing.
Internal Intercostals
Muscles located between the ribs that aid in the downward movement of the ribcage during exhalation.
Sternocleidomastoid
A muscle in the side of the neck that helps rotate the head and flex the neck.
Serous Membranes
Thin membranes that cover the walls and organs in the thoracic and abdominal cavities, producing serous fluid to lubricate and reduce friction between organs.
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