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Red blood cells are responsible for moving oxygen through the body. When you have low amounts (anemia), or high amounts (too much oxygen being produced) can be dangerous. There are a few different terms. One type is hemoglobin. This is the one where the oxygen is carried. Then when carbon dioxide is being carried, it is known as carboxyhemoglobin.
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Energy
The cells
cells
oxygen is carried in red blood cells
Oxygen is transferred to blood cells in the capillaries around the alveoli. It diffuses from the alveoli into the bloodstream, and to the hemoglobin molecule.
An end product of respiration, carbon dioxide is carried from cells to lung.
Red blood cells are responsible for moving oxygen through the body. When you have low amounts (anemia), or high amounts (too much oxygen being produced) can be dangerous. There are a few different terms. One type is hemoglobin. This is the one where the oxygen is carried. Then when carbon dioxide is being carried, it is known as carboxyhemoglobin.
OXYGEN
signals
most human embryonic stem cells used for research come from unused IVF eggs. there are then strict regulations on how long these cells are allowed to grow for and what you are wllowed to do with them in the meantime and how you get ride of them when you are done, but these vary from country to country. there are other types of stem cells that are presnt in adults though (like hemopoatic (forgive my spelling) stem cells). much research has been carried out on these adult stem cells too. also, stem cells can be studied in living organisms (for example fruit flies or mice) and therefore come from (and are often not removed from) animals.
Stem Cells research can be found on online research medical journals or a stem cells research teams' webpage. The MedicalNewsToday website the latest news on stem cell research.
stem cells are being used in research , treatment , tissue culture and cloning etc.
Memory cells, or T cells, are part of the immune system and carried in the blood stream. Due to the fact that they are carried in blood, the heart does help pump them, but it does not "have" memory cells of its own.
The lymphatic system
There is a lot of research being done to find a cure for cancer. This research includes studying current cancer cells, genetics, and using experimental treatments.