The abdominal cavity.
abdominal
into the thoracis and abdominopelvic cavity.
That is called the diaphragm.
The diaphragm is situated between the chest cavity and the abdominal cavity.
diaphragm
Arterial walls contain thick, muscular tissue to pump blood throughout the body. Veins have thinner walls.
The diaphragm.
The vaginal walls are the borders of the opening that leads from the outside of the body to the cervix. They are muscular and flexible.
The diaphragm is a dome shaped muscular membrane that separates the abdominal cavity from the thoracic cavity. Its contraction and relaxation serves an important role in respiration.
The storage sac in the body is called the bladder. It is a muscular sac located in the pelvic cavity that stores urine before it is expelled from the body.
do cappilaries have muscular walls
Thick muscular walls refer to the robust layers of muscle tissue found in certain organs or structures, particularly in the heart and blood vessels. In the heart, for example, the thick muscular walls of the ventricles enable powerful contractions to pump blood effectively throughout the body. Similarly, in arteries, thick muscular walls help withstand high pressure and regulate blood flow. These walls are essential for maintaining proper function and supporting the organ's physiological roles.