It have the right to be tricky to understand the inside of her body. Many civilization don’t understand where your thymus, or kidneys or lungs are, or what this organs do.

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Heart. Your love is between the 2 lungs in ~ the former of her chest. The heart muscles pump blood around your body. You recognize your heart is working because you deserve to feel your heart beat and you can feel the blood at your pulse.

The love pumps blood containing new oxygen to every component of her body. At the very same time, the pumps the old blood there is no oxygen earlier through the lungs. This is therefore it can pick up new oxygen to repeat this cycle.

Lungs. your lungs are sponge-like organs. Every time you breath they filter oxygen from the air with tiny vessels right into the blood. That is then brought to the heart to it is in pumped round your body. The lungs filter carbon dioxide from her body as soon as you breath out.

Liver. your liver is the organ listed below the lungs. That acts favor a filter because that the blood. Chemicals and impurities, including from drugs and medications, room filtered by the liver. The liver does numerous other important jobs. Because that example, that makes and processes numerous body fats. The liver is the only inner organ that have the right to regrow.

Kidneys. the kidneys are also filters. Part drugs room filtered much more by the kidneys than by the liver. Waste commodities filtered through the kidneys leaving the body together urine.

The kidneys space in your lower back. Any type of blockage to her kidneys is exceptionally painful and also can reason permanent damage. Return you are born with two kidneys, many world live very well with just one.

Stomach and also intestines. Your stomach is whereby food, drink and also oral drugs start come be broken down and processed in the body. Nutrients and also drugs are absorbed through the stomach and little intestine walls. The tiny intestines are about five metres long. The large intestines are around 1.5 metres long.

Thymus. The thymus is a tiny gland high in the chest. This body organ is wherein CD4 cells and other white blood cells develop. CD4 cells are sometimes called T cell (from ‘thymus’). The thymus is really active in children and adolescents, and becomes much less energetic as you prosper older.

Pancreas. Your kidnize is a pistol shame gland below the liver. The releases digestive enzymes right into the little intestine and also hormones that manage sugar level in your blood. You have the right to live there is no a pancreas but you have to take insulin to control blood street levels and take supplementary cradle enzymes.

Skin. Your skin is the largest organ in the body. The skin renders up 16% the an average body weight. That stops her body from dry out and is the key barrier against infection.

Bone. Your bones space a living material. About 10% of bone cell die and also are replaced each year. If bone cells room not replaced easily enough, bones i do not care brittle and break an ext easily. This way that over ten years you have actually grown and also replaced her whole set of bones. A bit like a snake shedding it’s skin.

Bone marrow. Bone marrow is the soft tissue inside bones. Blood cells originally come indigenous bone marrow.

Blood. Blood is the liquid pumped by her heart. The delivers oxygen and nutrients come every component of her body and carries waste commodities away. Blood contains cells (red cells, white cells, platelets etc) and also plasma.

Plasma. The liquid component of blood that has nutrients, sugars, proteins, minerals, enzymes, and other building material – yet with the blood cell taken out.

Lymph. Lymph is a clear liquid that has white blood cells and also antibodies. That is distributed round your body with a series of lymph vessels, nodes, and organs. The lymph device supports the blood in removed waste commodities from the body.

Although a the majority of information around your health and also HIV originates from blood tests, less than 2% that the HIV in her body is in her blood. Some researchers think this may be less than 1%. Many of the other 98% is in the lymph system, including the gut.

Lymph nodes. Lymph nodes room the tiny lumps that sometimes get enlarged in her neck, under her arms, and in the crease between your legs and your body. Most of the CD4 cells in her body rest and reproduce in her lymph nodes.

Further reading and also web resources

There are numerous sites on the net that explain simple biology, immunology and other medical terms.

The following sites might be advantageous on anatomy:

In the US, a 39-year-old male on fatality row donated his body to science. After he to be executed, his body was frozen, cut into one-millimetre-thick slices, and photographed. The data were made easily accessible in 1994 ~ above the net by the US nationwide Library the Medicine.

To see two- and also three-dimensional depictions of the human body based on these data, visit these sites:


Britannica.com – a range of learning write-ups on person anatomy, with various levels of complexity (kids, student, scholar).


Last updated: 1 January 2021.


1 Immune system and CD4 count

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