The nervous system allows us to react to our surroundings and coordinate our behaviour. The conditions inside our body must be carefully controlled if the body is to function effectively. The ...

The following diagram illustrates the menstrual cycle. It also shows the changing levels of the two hormones involved in the process. The menstrual cycle usually lasts approximately 28 days. The first ...

CBSE Class 10 Science Notes: Revision is the key to success in every exam. It not only helps reinforce your understanding of concepts but also builds confidence and ensures better recall during the ...