Body Regions
The 20 anatomical regions of the human body.
Head
The uppermost part of the body containing the brain, eyes, ears, nose, and mouth. The skull (cranium) protects the brain, …
Face
The anterior part of the head from the forehead to the chin. Contains muscles of facial expression, the orbits housing …
Neck
The region connecting the head to the trunk. Contains the cervical vertebrae, major blood vessels (carotid arteries, jugular veins), the …
Thorax
The chest region bounded by the rib cage. Contains the lungs, heart, great vessels, esophagus, trachea, and thoracic duct. The …
Abdomen
The region between the thorax and pelvis containing the majority of digestive organs including the stomach, intestines, liver, gallbladder, pancreas, …
Pelvis
The lower trunk region formed by the pelvic girdle. Contains the urinary bladder, rectum, and reproductive organs. The bony pelvis …
Back
The posterior aspect of the trunk from the neck to the pelvis. Contains the vertebral column (spine), spinal cord, and …
Upper Arm
The region between the shoulder and elbow containing the humerus bone. Major muscles include the biceps brachii (flexion) and triceps …
Forearm
The region between the elbow and wrist containing the radius and ulna bones. Houses the flexor and extensor muscle groups …
Hand
The terminal part of the upper limb consisting of the carpals (wrist bones), metacarpals, and phalanges (finger bones). Contains intrinsic …
Thigh
The region between the hip and knee containing the femur, the longest and strongest bone in the body. Major muscle …
Leg
The region between the knee and ankle containing the tibia and fibula bones. The anterior and posterior compartments house muscles …
Foot
The terminal part of the lower limb consisting of the tarsals, metatarsals, and phalanges. The foot contains arches (medial longitudinal, …
Shoulder
The junction between the upper limb and trunk. The shoulder girdle consists of the clavicle and scapula, with the glenohumeral …
Hip
The junction between the lower limb and trunk. The hip joint (coxal joint) is a ball-and-socket joint formed by the …
Spine
The vertebral column consisting of 33 vertebrae (7 cervical, 12 thoracic, 5 lumbar, 5 sacral fused, 4 coccygeal fused). It …
Brain
The primary organ of the central nervous system enclosed within the cranium. Consists of the cerebrum (cerebral cortex and white …
Heart Region
The mediastinal region centered on the heart and great vessels. The heart occupies the middle mediastinum and is enclosed in …
Eye
The orbital region containing the eyeball and its accessory structures. The eye converts light into neural signals for visual perception. …
Ear
The region containing the external, middle, and inner ear structures. The ear converts sound waves into neural signals for auditory …