1.) They protect delicate organs
2.) They permit significant changes in size and shape of internal organs
Survive & reproduce.
Acoelomates, pseudocoelomates and coelomates
Pisces or fish have true internal body cavity.
Animals that have three layers of embryonic tissue with organs in a cavity completely lined with the mesoderm are called triploblastic animals.
The cerebellum is in the cranial cavity. The dorsal body cavity is also known as the cavity that encloses the brain and the spinal cord but the brain is protected from trauma by the cranial cavity.
The abdominal cavity and the chest cavity are the two largest body cavities in humans.
Mucus Membrane-lining the nasal cavity.
The Marrow cavity helps the cavity functions....
Acoelomates, pseudocoelomates and coelomates
The cranial cavity is the empty space inside the skull. It is where the brain is kept. That makes the cranial cavity especially important, since the brain is what controls most of the processes and functions of the body.
For all mammals, the three functions of fat in the body are to provide energy, to absorb vitamins, and to sustain a normal body temperature.
to regenerate
abdominal cavity
Fluid-filled body cavity and three tissue layers.
Protists do not have a body cavity.
for life
Some cells fight diseases ,some tronsport oxygen , an some produce movement . Exetra .....
Pisces or fish have true internal body cavity.