Man's involutional bit

Man's involutional bit
1,The mental work drops, memory fails: It is not very obvious that the man's attention and language ability are influenced by age, will drop to some extent 20 years old later, drop obviously while entering climacteric, memory obviously fails. 2,The heartbeat slows down: Man's modulability when the heart is taking exercises vigorously 20 years old later fails day by day. A 20 -year-old man's heart rate while taking exercises vigorously can be up to for 200 times divide, reduce to at the age of 30 for 150 times divide quickly most, at 70 years old, the man's quickest heart rate moving vigorously can only reach 80 times divide. 3,It is reduced that the sex is excited, does not erect very: The annual orgasm of about 20 years old of young men can be reached 100 or more times, is up to thereupon reducing inevitably of male sex hormone of growth of age later, the excited number of times of the sex is reduced gradually, the excited number of times is reduced to for 52 times every year at 50 years old, arrive at the age of 70, annual excited to reduce to 22 time about, erect angle reduce notably. 4,Endurance drops, breathe more difficult: Up to the increase of age, the thorax skeleton is stiff gradually, thereupon increasing of burden breathing, lung keep in touch with function subside, air exchange amount reduce, oxygen content lower with the harmful gas increasing in the blood. Breathing the number of times increases and thinks gradually that it is strenuous to breathe. Because the oxygen content is reduced in the blood, the physical power of a man 70 years old is only equivalent to half at the age of 20. 5,Eyesight fails, hearing is weakened: Up to the growth of age, the eyeball lens are increasing thick constantly, modulability is being weakened, eyesight obviously drops and focuses on inaccurately 50 years old later, amblyopia appears, reply looking at, old flower,etc.. Meanwhile, distinguishing ability, especially distinguishing ability is thereupon weakened to high-frequency sound to the tone, it is hard of hearing to appear etc., this kind of situation was comparatively obvious when the man is about 60 years old. 6,The skin is coarse, the hair is more and more rare: Until age increase, skin metabolism slow down and cuticle pile up, wrinkles increase, the skin is coarse. Meanwhile, the quantity of hair follicle on the scalp is reduced day by day, the hair is lossed but more and more sparse, and the hair growth speed left is slowed down, then thank the persons who carry for being more and more. 7,The fat is piled up, amyotrophy: The man increases from 25 years old to 75 years old adipose tissues in the body by about 1 time, though increased fat is mostly piled up in muscles and the organ are organized, but it is thick and very obvious that increase and omentum of the lower fat of skin are increased. Meanwhile, increase with age, originally developed muscles will wither, be weak, the knee and loin appears weakly gradually; Strength is reduced etc..

|