![]() The lymphatic system includes lymph nodes, lymph ducts and lymph vessels, and also plays a role in the body's defenses. The system is made up of I lymph nodes, the spleen, bone marrow, lymphocytes (including B-cells and T-cells), the thymus and leukocytes, which are white blood cells. The immune system is activated when antigens (proteins on the surface of bacteria, fungi and viruses) bind with receptors on immune cells, alerting the body to their presence and kicking the immune system into gear, according to Institute for Quality and Efficiency in Health Care (IQWiG). The immune system is the body's defense against bacteria, viruses and other pathogens that may be harmful. For example, one of the glands in the pancreas - called the endocrine gland - releases hormones called insulin and glucagon to regulate blood sugar. These hormones, in turn, travel to different tissues and regulate various bodily functions, such as metabolism, growth and sexual function, according to Johns Hopkins Medicine. The endocrine system consists of a network of glands that secrete hormones into the blood. The liver and pancreas also play a role in the digestive system because they produce digestive juices filled with enzymes to break down the components of your food, such as carbohydrates, fats and proteins, according to the National Institute of Diabetes and Digestive and Kidney Diseases. It includes the mouth, esophagus, stomach, small intestine, large intestine, rectum, and anus. The digestive system consists of a series of connected organs that together, allow the body to break down and absorb food, and remove waste. According to the Cleveland Clinic, the human body's network of blood vessels, veins and capillaries is over 60,00 miles (around 96,560 kilometres) long. It consists of the heart, blood, blood vessels, arteries and veins. ![]() ![]() muscle, arteries, veins etc).Įssential Anatomy is the closest thing you'll get to dissection - an essential tool for medical students and an engaging way to learn about how the body works.The job of the circulatory system is to move blood, nutrients, oxygen, carbon dioxide, and hormones, around the body. Other than that, there's a Bookmark tool if you just want to save specific parts you want to return to later and you can isolate the body view by part type (e.g. You can strip away layers of muscle and tissue to reveal what's under, which gives you a much better idea of how the body works rather than just reading it in a book. The Search function is what you'll need the most if you're studying although you can have a lot of fun simply exploring and rotating the body. The only thing lacking are animations of the organs and muscles in action.Įssential Anatomy is very easy to use. If you need to find a specific bone, organ or muscle, you can simply search by body part and Essential Anatomy will highlight exactly where they are with helpful descriptions of each part does. The 3D models allow you to view and examine parts of the human body from any angle giving incredible detail that you'd normally only be able to experience via dissection. Essential Anatomy 3 leaves no organ or tendon uncovered - the level of detail is as good as anything you'd find in a medical Encyclopedia.įor medical student in particular, Essential Anatomy is a superb reference tool. The most impressive thing about Essential Anatomy 3 is the level of detail and the 3D models that you can manipulate and explore. Essential Anatomy 3 isn't a revolution in the series of Essential Anatomy apps but it adds more detail and ease of use to the app.
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