Study Read is a free educational resource for students, teachers and other enthusiastic learners.
Do Unicellular Organisms have a Nucleus ? The answer is "Yes" and also "No". Some of them have while others...Read more
The digestive system is the only way an external material has to go into the body. Our body is so...Read more
Hormones are the chemical messengers in the animal body. There are many hormones in the human body secreted from endocrine...Read more
Anatomy and physiology are the two important aspects of the study of an organism. One is not complete without...Read more