Physics by Er. Daksh Amit Sir

  CLASS 10th  ICSE/ CBSE Notes- By Er. Amit Singh For more Notes click this link  https://cbsenotesallsub.blogspot.com/ ELECTRICITY Electricity , phenomenon associated with moving  electric charges .  Electric  charge  is a fundamental property of matter. The unit of electric charge in the M.K.S. and  SI  systems is the  coulomb    In electricity the particle involved is the  electron . Electric charges are of two  types,  positive  charge Negative charge For more Notes click this link  https://cbsenotesallsub.blogspot.com/ Positive charge A positive charge occurs  when the number of protons exceeds the number of electrons .  A positive charge may be created by adding protons to an atom or object with a neutral charge.  A positive charge also can be created by removing electrons from a neutrally charged object When an object has a positive charge it means that it has more protons than electrons. Negative charge When an object has a negative charge it means that it has more electrons th

Class 8th Science ICSE/ CBSE Notes- For more Notes click this link  https://cbsenotesallsub.blogspot.com/   8th Biology  Endocrine System of Humans Hormones Hormones are  chemical messengers that are secreted directly into the blood,  which carries them to organs and tissues of the body to exert their functions The hormones are produced in special organs which are called Endocrine glands. Endocrine glands have no ducts. Endocrine glands glands are also called ductless glands. Function of Hormones Hormones help in maintaining a constant environment inside the body. It adjusting the amount of salt and water in our body tissues, sugar in the blood and salt in the sweat. It produce long term changes such as a child growth and sexual maturation. It expressing the emotion such as fear,anger ,happiness etc. For more Notes click this link  https://cbsenotesallsub.blogspot.com/ Types of Glands There are two types of glands in our body. Exocrine glands Endocrine glands Exocrine glands It maintai