Human body parts

The human body is made up of a physical structure and a series of organs that guarantee its proper functioning. One can distinguish, in general terms, three main parts that describe its appearance and, finally, a series of systems that justify its structure and operation. Regarding its essential physical structure, the parts of the human body are the following: head, trunk and extremities (upper and lower limbs).

Parts of the human body (physical structure).


The head corresponds to the upper end of the human body. Among the outer parts of the head we can point out the following:

  • Expensive
  • Front
  • Eyebrows
  • Eyes
  • Nose
  • Cheeks
  • Lips
  • Chin or chin
  • Ears

Parts of the head.

Inside the head is the organ that articulates the functioning of all systems, the brain, which is protected by a bony cavity called the skull. In addition, there are the eyeballs, the mouth (tongue, teeth and jaw), the sinuses and the ears.


The trunk is the middle part of the body. It connects with the head through the neck and reaches the groin or groin region. Externally, the trunk is made up of the chest, the breasts in the case of women, the waist, the navel, the back, the abdomen (high and low) and the groin. In the groin are the female (vulva) and male (penis) genitalia.

The trunk is subdivided into the thorax and the diaphragm. The thorax corresponds to the upper part of the trunk and in this are the chest and breasts. At the internal level it contains the lungs and the heart, protected in turn by the ribs.

The diaphragm, which is at the same time the name of the muscle that separates the trunk in two, is located in the abdominal area of ​​the trunk. Externally, the diaphragm encompasses the upper and lower abdomen, as well as the navel and groin. Internally, the abdomen contains the organs of the digestive, urinary / excretory, and reproductive systems.

Parts of the trunk.

Inside trunk detail.


The extremities are made up of the upper limbs (the arms) and the lower limbs (the legs). Their main function is to form the locomotor system of the human body, that is, to guarantee mobility and the development of mechanical skills of different types.

The limbs are internally made up of bones, muscles, and nerves. Externally they are structured in:

  • Upper limbs: shoulder, arm, elbow, forearm, wrist, hand.
  • Lower limbs: hip, buttock, thigh, knee, leg, calf, ankle, heel, foot.

Parts of the extremities (upper and lower limbs).

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