PULSE

is a throbbing in a blood-ve el, limited as a rule manhood or womanhood. Rnecslated with the development | to the arteries and caused by the injection of some four of the sexual “—m and instincts are certain physical | ounces of blood at each heart-beat into a system of blood changes, such as the breaking of the voice, the appearance | ve els already distended with blood. This sudden addition of hair on the face in the boy, and the development of the | to the contents of an arterial system, already full, gives breasts and the establishment of menstruation in the girl. | rise to a pre ure wave, which pa es rapidly from the main At no time in later life has the body to undergo such marked artery at the outlet from the heart to the arteries in all changes. The strain on the Gorektta tion te eaneiderabia: parts of the body. The rate at which the wave travels is It is a time of life which, in the dolicate especially, requires | about 30 ft. per second. Hence with one hand on the care, plenty of fresh air and good food, and absence of worry. | heart and the other feeling the pele at the wrist, the heart- Tho mind is often l to and is more emotional than | beat and the pulse appear to be simultancous. That this before. Unfortunately it is a timo of life in which school | is not so wo know by accurate measuromont with apparatus examinations ae occur, and when the entrance | devised for the purpose, which shows tho minute interval examination for the future profe ional career has often to | of time really present between them. It is a popular error be prepared for. It is not surprising, therefore, that | to think the pulse is only to be felt at tho wrist. It may be nervous breakdown is common at this time, especially in | felt in any superficial artery, og, at the temple, in the neck, those with inherited tendency to it. Such cases require | front of the thigh or behind the ankle on the inner side. special care. All, at this time, are the better for a fow | The wrist is the most convenient. The spot to feel is just words of advice from their guardians. above the ball of the thumb, on the outer side of a tendon [s. 398]