All vertebrate and invertebrate animals have an innate immune system, but adaptive immunity is thought to be a uniquely vertebrate feature 3. Underlying adaptive immunity are variable, clonally ...

CBSE Class 12 MCQs for Biology Chapter 3: Reproductive unit is the first unit for CBSE Class 12 Biology students. Out of 70, this unit covers 16 marks, which is the second-highest weightage among all ...

The following outlines aspects of the female reproductive system, including the internal and external organs, the menstrual cycle, the egg, and reproductive hormones. The menstrual cycle is a monthly ...

Reproductive Health CBSE Notes: The Central Board of Secondary Education (CBSE) follow NCERT textbooks to complete its syllabus. The language of the NCERT books is simple and covers all the major ...

What Is the Female Reproductive System? The female reproductive system is designed to carry out several functions. It produces the female egg cells, called the ova or oocytes, which are necessary for ...