In the case of insufficient daily supply of animal food, it is necessary to make use of China's abundant soybean resources to absorb plant protein, so as to ensure the daily protein demand of young people.
3. In addition to eating cereals and animal food, boys should also pay attention to eating seafood, vegetables and fruits.
Overeating this kind of fast food is harmful to the health for a long time. Overeating will hurt the spleen and stomach, affect the intake of other foods, and is a factor of obesity and increase of cardiovascular disease in adults.
Therefore, in order to lay a good foundation for the body, we should pay attention to the reasonable nutrition of adolescence.
In infancy, the glans is covered with a layer of skin, called foreskin.
After the acceleration of puberty, or near the age of maturity, the foreskin will gradually shrink back and expose the glans.
Testicles are the most important internal genitalia in men. They are oval and have a pair, which are stored in both sides of the scrotum.
During the fetal period, the testicles are in the abdominal cavity of the human body, and only after birth do they descend into the scrotum.
Some boys have no testicles in the scrotum, or only one side has testicles, indicating that the testicles are still in the abdominal cavity, which is called cryptorchidism in medicine.
Surgical treatment should be performed as early as possible at the age of two or three.
The difference between male and female reproductive organs is called primary sexual characteristics, also called primary sexual characteristics.
When entering the puberty, in addition to genitalia, the differences in appearance and body shape between men and women are called secondary sexual characteristics, also known as accessory sexual characteristics.
At about 11-12 years old, short and thin pubic hair grows in the vulva; at the same time, at about 12 years old, the neck larynx begins to protrude, and the voice becomes loud and thick.
在动物食品不能每日供应充分情况下,要利用我国盛产大豆资源,从中摄取植物蛋白质,以保证青少年每日蛋白质的需求量。In the case of insufficient daily supply of animal fo
在南方这几乎是每家都会做的东西，饭桌上如果没有这个似乎就好像缺点气氛似的。In the south, it's something that almost every family can do. If there is no such thing
有的医生也建议用蜂蜜泡水辅助治疗感冒,咽喉炎等。Some doctors also suggest using honey to soak in water to assist in the treatment of cold, pharyngitis, etc.3、吃
食物不仅仅是用来充饥的，而且每一种食物都有不同的养生保健功效。Food is not only used to satisfy hunger, but also each kind of food has different health care effect
但要注意了,肾不好的人最好不要吃苹果。But it should be noted that people with poor kidneys had better not eat apples.2、猕猴桃猕猴桃可有效缓解慢性便秘。2. Kiwi f
爱养生养身馆导读：每天喝柠檬水好吗？柠檬气味芳香，富含维生素，是美容佳品，又有开胃消食、生津止渴的功效，不少女性喜欢经常泡一杯柠檬水来喝，甚至每天都要喝。How about drinking l
【来源】《医学发明》 【原料】猪肚1个,水发莲子40枚，香油，食盐，葱，生姜，蒜各适量。[source] medical invention [raw materials] 1 pork tripe, 40 lotus seeds, sesame oil, sa
松子仁每百克含蛋白质16.7克，脂肪63.5克，含碳水化合物9.8克，并含挥发油、钙、磷、铁等多种矿物质和维生素。Pine nut contains 16.7g protein, 63.5g fat and 9.8g carbohydrat