Question

The evolution of an internal body cavity was important in the animal body design for which of the following body functions?

• A. Circulation
• B. Movement
• C. Organ function
• D. All of these

Answer 1

The correct option is D All of these

Internal body cavity present between the body wall and the gut wall is called coelom. The coelom consists of fluid which helps in circulation. The coelom serves as an efficient hydrostatic skeleton, with circular and longitudinal body-wall muscles which help in movement. It also allows a more stable arrangement of organs with less crowding to perform body functions without interfering with other organs.