Your lungs breathe in and out about 20,000 times a day. Find out more about how they work and what you can do to keep them healthy.
Picture of Lungs The lungs are a pair of spongy, air-filled organs located on either side of the chest (thorax). The trachea (windpipe) conducts inhaled air into the lungs through its tubular branches, called bronchi. The bronchi then divide into smaller and smaller branches (bronchioles), f...
Collectively, the intercostal muscles support the intercostal spaces and thoracic cage. However, they also have additional individual functions. The external intercostals elevate the ribs during forced inspiration, expanding the thorax andlungs. In contrast, the internal and innermost intercostals depress ...
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External –general external structures, skinning of the rat to expose muscles and boneHead, Thoracic, Abdominal –digestive system, heart, lungsUrogenital System –kidneys, reproductive organsCirculatory –major veins and arteries Color the Skeleton of the Rat Anatomy and Physiology Sheep Brain ...
For someone considering a medical career it is a very enjoyable way of learning the basics of cardiac function. Lungs http://people.eku.edu/ritchisong/301notes6.htm Summary of all you need to know on a single webpage. The links at the bottom either add nothing or do not function. http...
Hairs and mucus on the interior of the nose also catch any solid debris before it can enter the lungs. As air is exhaled from the lungs, it passes back through the nose where its moisture and heat is trapped by the membranes and used to warm and humidify the next breath of air. Some...
Skeletal anatomy is divided into two distinct parts, namely the axial skeleton and the appendicular skeleton. The axial skeleton is made up of the bones of the ribs, the sternum, the spinal column, the skull, and the hyoid bone. They make up the longitudinal axis of the body and function...
The exact function of the sinus cavities are unclear. It is believed to contribute to the following : Assists with resonance of the voice Makes the skull lighter in weight Heats and humidifies (adds moisture) to the air before it reaches the airways and lungs ...
like the frog’s heart, brain, lungs and intestines. But you will also find some surprising things out about frog anatomy like three eyelids on each eye. One of the eyelids is transparent, which means you can see right through it. The transparent eyelid is called the nictitating membrane. ...