Question

How many diaphragms are there in our body?

Answer 1

The diaphragm is the largest muscle used in respiration, which is the breathing operation. Just below the lungs and heart lies this dome-shaped muscle. When you breathe in and out it contracts constantly.

Complete answer:
The diaphragm muscles come from the lower portion of the spine (breastbone), the lower six ribs, and the lumbar vertebrae of the spine, and are connected to the central tendon of the membrane. Many components, such as the oesophagus, aorta, and inferior vena cava, pierce the diaphragm and are rarely subject to rupture. A few of the important diaphragms in the human body are cranial, cervical, thoracic, and the pelvic diaphragm.
The cranial diaphragm consists of distinct connective tissues in the skull called Falx Cerebri and Tentorium cerebelli. This diaphragm is responsible for maintaining cranium pressure and controlling cerebral spinal fluid flow through the ventricles.

The cervical diaphragm consists of the tongue, the muscles of the hyoid bone, and the muscles of the scalp. This diaphragm controls the pressure between the cervical spine and the cranium.

The most popular and well-known diaphragm that divides the thoracic cage from the abdomen. This diaphragm regulates the friction between the thorax and the abdomen. The diaphragm is the major respiratory muscle of the body.
Found on the pelvic floor, it connects the sacrum to the pelvis and is basically a large "sheet" of particular muscles. This diaphragm regulates the friction between the pelvis and the abdomen.

Note: Diaphragm contraction increases the internal height of the thoracic cavity, thereby reducing the internal pressure of the thoracic cavity and allowing air to attract inspiration. Expiration is created by relaxing of the diaphragm and the inherent elasticity of the lung tissue and the thoracic cage.