1. Anatomical Divisions:
* Head: Includes the skull, face, and neck.
* Trunk: Encompasses the thorax (chest), abdomen (belly), and pelvis.
* Upper limbs: Arms, forearms, hands.
* Lower limbs: Thighs, legs, feet.
2. Body Systems:
* Nervous system: Brain, spinal cord, nerves.
* Circulatory system: Heart, blood vessels.
* Respiratory system: Lungs, airways.
* Digestive system: Mouth, stomach, intestines.
* Musculoskeletal system: Muscles, bones, joints.
* Endocrine system: Glands that produce hormones.
* Integumentary system: Skin, hair, nails.
* Lymphatic system: Lymph nodes, vessels.
* Urinary system: Kidneys, bladder.
* Reproductive system: Organs involved in sexual reproduction.
3. Body Cavities:
* Cranial cavity: Contains the brain.
* Thoracic cavity: Contains the heart and lungs.
* Abdominal cavity: Contains the digestive organs, kidneys, and spleen.
* Pelvic cavity: Contains the reproductive organs, bladder, and rectum.
4. Functional Divisions:
* Somatic: Relating to the body as a whole, especially its external aspects.
* Visceral: Relating to the internal organs.
* Axial: The central axis of the body, including the head, neck, and trunk.
* Appendicular: The limbs, which are attached to the axial skeleton.
Important Note: These divisions are just different ways of thinking about the body. They are not mutually exclusive, and there is overlap between them.
It's important to understand the context when someone is talking about "divisions" of the human body.