There are a wide variety of substances in the body that have a direct effect on the function of the central nervous system and, in particular, the brain. Blood sugar concentration, neurotransmitter levels, certain hormones, endorphins and other peptides, regulatory factors, and so forth all have a direct impact on how the brain functions.
As a result of affecting the brain, they also affect how the brain processes emotional states and, therefore, emotions themselves.
chemoreceptors
yes it is
HIV risk is not linked to blood groups, it is linked to life style.
Although there is no individual test to measure these changes, a thorough physical exam and a basic blood screening and blood chemistry panel can point to areas in need of further attention.
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They are linked in the alveoli of the lungs where CO2 escapes from and O2 is captured by the blood.
herpes?
There are two kidneys in the human body, one on each side of the abdomen above the level of the belly button and towards the back. While the kidneys are part of the urinary system, they are closely linked to the circulatory system. Blood is carried through a complex system within the kidney where blood chemistry is regulated. The kidneys are so efficient that only one is necessary for survival.
YES
None.
Hemophilia
hemophilia