The bird’s egg is a wonderful life support system. It contains all the substances necessary for the growth and development
| September 18, 2020 | Education
The bird’s egg is a wonderful life support system. It contains all the substances necessary for the growth and development of the embryo, except for air. How does the embryo breathe?
The respiration of the embryo ensures the presence of pores in the egg shell.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.