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The digestive system of the upper abdomen and the chest is also known as the upper gastrointestinal (GI) tract. It includes several of the digestive system’s most important organs, including the esophagus, stomach, duodenum, liver, and gallbladder.


The muscles of the chest and upper back occupy the thoracic region of the body inferior to the neck and superior to the abdominal region and include the muscles of the shoulders. These important muscles control many motions that involve moving the arms and head — such as throwing a ball, looking up at the sky, and raising your hand.


Anatomy Major organs. Surface projections of major organs of the torso, using the vertebral column and rib cage as main reference sources. Most critical organs are housed within the torso. In the upper chest, the heart and lungs are protected by the rib cage, ...


The chest only refers to the front of the upper part of the body and the upper torso refers to both the front and back of the upper part of the body. The chest is also referred to as the area that is enclosed by the bones of the rib and the sternum. The torso is also known as the trunk of the human body.


The major muscles in the upper torso of the body include: Trapezius: This muscle extends across the neck, shoulder, and back.It allows for movement of the shoulders and shoulder blades. Rhomboid ...


The chest is the area of origin for many of the body’s systems as it houses organs such as the heart, esophagus, trachea, lungs, and thoracic diaphragm. The circulatory system does most of its ...


Muscle Charts of the Human Body For your reference value these charts show the major superficial and deep muscles of the human body. Superficial and deep anterior muscles of upper body


Human muscle system: Human muscle system, the muscles of the human body that work the skeletal system, that are under voluntary control, and that are concerned with movement, posture, and balance. Broadly considered, human muscle--like the muscles of all vertebrates--is often divided into striated muscle, smooth muscle, and cardiac muscle.


The muscles of the human body can be categorized into a number of groups which include muscles relating to the head and neck, muscles of the torso or trunk, muscles of the upper limbs, and muscles of the lower limbs. The action refers to the action of each muscle from the standard anatomical position. In other positions, other actions may be ...


Whether you need to learn about human anatomy, histology or medical imaging, quizzes can help you to improve your knowledge on topics like the basic terminology, upper extremity, lower extremity, trunk wall, skull, head and neck, thorax, abdomen and pelvis and neuroanatomy. Even if you’re a complete beginner, you can use our quizzes and free ...