The following text summarizes information provided in the video. The retromandibular and posterior auricular veins join at the angle of the mandible to form the external jugular vein, which runs ...

The primary purpose of the cardiac examination is to assess the structure and function of the heart as a muscular pump and to evaluate it for possible malfunctions. Because heart disease is so common ...

The blood inside your veins is dark red. So, many people wonder why veins look green or blue through the skin instead of red. Veins are types of blood vessels. The other blood vessel types are ...