Gurmeet singh Asked a Question
August 19, 2020 3:47 pmpts 30 pts
Adductors reiaxed- Dorsal vave Adductors contracted Hinge axss- Hinge aKIS Diductots Diductors relaxed contracted Venttal valve Fig. Brachiopod valves are opened and closed by pairs of opposed muscles: (A) Contraction of adductors closes the valvess Relation to substrate
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  • Rahul pandey Best Answer
    By contracting and relaxing different muscles present inside the body of brachiopod, they can open or close the valves whenever needed. Adductor muscles help in closing the valves,...
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  • Sajan sarthak sahoo thankyou
    opening is done by deductor where as closing is done by adductor muscle. opening of valves helps them in eating , movement,and protection from enemy
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