The Biology Physiology And Sociology Of Reproduction Also Sexua

It is proposed in this chapter to outline, very briefly, a few simple rules of hygiene, the observance of which will tend to bring the young man into the highest possible state...

The development of the child within the uterus of the mother represents a chapter in the life history of every individual so important in its relations to maternity and paternit...

The _penis_ of the young man who has completed the stage of puberty consists (1) of the two corpora cavernosa, as they are called, or erectile bodies, called cavernosa because t...

No rational or acceptable system of sexual hygiene for the human male can be worked out without constant reference to the lower ranks of the mammalian class and to primitive soc...

The casual observer, even if he watches thoughtfully the various activities of plants and animals, would hardly believe these activities capable of classification into two gener...

The period of a young man's life from about fifteen to twenty-five years, when he is growing from boyhood to mature adult life, is called the period of _adolescence_. The period...

2. Some General Principles of Biology 15 A. Sacrifice and Compensation in Egoistic Activities 15 B. Sacrifice and Compensation in the Phyletic Activities 16 a. Lower Organisms 1...

e. The Dietetic Control of the Kidneys and Skin 111 f. The Dietetic Method of Curing a Cold 111 2. Baths 112 a. The Bath for Cleanliness 112 b. The Tonic Bath 114 3. Exercise 11...

B. The Genital System 32 a. Structural Changes 32 b. Functional Changes 32 2. Psychical Changes 33 A. Play and Work 33 a. Sports 33 b. Productive Employment 34 B. Society 35 C....