It is a flat bone that forms the middle portion of the rib cage and can be felt just under the skin in the middle of the front of the chest. It is further composed of 3 parts; manubrium, body, and xiphoid process. The cartilage joins or connects these parts in babies and children ...
The length of the hand is equal to the height of the face. When drawing the lower arm, always be sure to mark the location of the elbow bone. You can feel this bone, from the elbow to the wrist, under your fingers when you touch the lower arm. In the supination position, the radi...
Where Is Your Heart and What Does It Look Like? The heart is located under the rib cage, to the left of your breastbone (sternum) and between your lungs. Looking at the outside of the heart, you can see that the heart is made of muscle. The strong muscular walls contract (squeeze)...
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These two projections are very close to the surface of the arm and you can easily detect them under your fingers when touching the elbow from both sides. The lower arm has two bones – the elbow bone and the radius. In our case, the arm is in the pronation position. In this position...
The heart is located under the rib cage -- 2/3 of it is to the left of your breastbone (sternum) -- and between your lungs and above the diaphragm. The heart is about the size of a closed fist, weighs about 10.5 ounces, and is somewhat cone-shaped. It is covered by a sack ter...
The anterior (ventral) cavity has two main subdivisions: the thoracic cavity and the abdominopelvic cavity (see Figure 4). Thethoracic cavityis the more superior subdivision of the anterior cavity, and it is enclosed by the rib cage. The thoracic cavity contains the lungs and the heart, whic...
The heart is under the rib cage, to the left of your breastbone (sternum) and between your lungs. On the outside, the heart is made of muscle. The strong muscular walls contract (squeeze), pumping blood to the arteries. The cardiovascular system is made up of your heart and your blood...
This muscle depresses the ribs under the control of the 9th to 11 intercostal nerves and the subcostal nerve. Learn more about the superficial muscles of the back with our learning materials that help you expand and test your knowledge in no time. Superficial muscles of the back Explore ...
down the ureters into the urinary bladder. The bladder expands like an elastic sac to hold more urine. As it reaches capacity, the process of micturition, or urination, begins. Involuntary muscle movements send signals to the nervous system, putting the decision to urinate under conscious control...