Page 36 - 86 human physiology part-2
P. 36

Nutrition


                                                and proteins. It helps with
                                                proper circulation and healthy
                                                skin, functioning of the nervous
                         pork, turkey, chicken,   system, and normal secretion of
                         veal, fish, salmon,    bile and stomach fluids. It is
                         swordfish, tuna,       used in the synthesis of sex                    vasodilation
                         sunflower seeds, and   hormones, treating
                         peanuts.
                                                schizophrenia and other mental
                                                illnesses, and as a memory-
                                                enhancer.
                                                Vitamin C is an essential water-
                                                soluble vitamin. It is needed to
                                                make collagen. Vitamin C also
                                                aids in the formation of liver
                                                bile which helps to detoxify
                                                alcohol and other substances.
                                                Evidence indicates that vitamin                 Gout, kidney
                         Found citrus fruits    C levels in the eye decrease with Scurvy, delayed  stones,
             C (ascorbic   such as oranges,     age and this may be a cause of  wound healing,  diarrhea,
             acid)
                         grapefruit and lemon. cataracts. Vitamin C has been    infections      decreased
                                                reported to reduce activity of the              copper
                                                enzyme, aldose reductase,
                                                which helps protect people with
                                                diabetes. It may also protect the
                                                body against accumulation or
                                                retention of the toxic mineral,
                                                lead.
                                                Vitamin D is a fat-soluble
                                                vitamin that helps maintain
                                                blood levels of calcium.        Lack of Vitamin
                         Produced by the        Vitamin D is necessary for      D results in    Calcification of
                         human body during                                                      soft tissue,
             D           exposure to the        healthy bones and teeth.        rickets for     diarrhea,
                                                                                children and
                                                Vitamin D plays a role in
                         ultraviolet rays of the   immunity and blood cell      osteomalacia for  possible renal
                         sun.                                                                   damage
                                                formation and also helps cells   adults.
                                                differentiate this lowers your
                                                chance of getting cancer.
                         Found in vegetable     Vitamin E is an antioxidant that
                         oils, nuts, and green   protects cell membranes and                    Diarrhea,
                         leafy vegetables.                                                      nausea,
             E           Fortified cereals are   other fat-soluble parts of the   Unknown       headaches,
                                                body, such as LDL cholesterol
                         also an important      (the “bad” cholesterol), from                   fatigue, muscle
                         source of vitamin E in   damage.                                       weakness
                         the United States.
             K           Found in kale, collard  Vitamin K by helping transport  Easy bruising   Can interfere
                         greens, spinach,       Ca, vitamin K is necessary for  and bleeding    with
                         mustard greens, turnip  proper bone growth and blood                   anticoagulant
                         greens and Brussels    coagulation.                                    medication




                                                                                                Wikibooks | 251
   31   32   33   34   35   36   37   38   39   40   41