Question

In a human female, the reproductive phase starts on the onset of puberty and ceases around middle age of the female. Study the graph given below regarding menstrual cycle and answer the questions that follow: \begin{figure}[h!] \centering \includegraphics[width=0.8\textwidth]{Screenshot 2025-01-17 101211.png} % Replace 'path_to_your_image.png' with the actual path to your graph image \caption{Graph showing the hormonal regulation and events during the menstrual cycle.} \label{fig:menstrual_cycle} \end{figure} Name the hormone and its source organ responsible for the events occurring during proliferative phase of menstrual cycle. Explain the event.}

Hint:

Oestrogen plays a crucial role in regenerating the uterine lining during the proliferative phase of the menstrual cycle.

Answer 1

Hormone: Oestrogen. Source organ: Ovaries (developing follicles). Event: Oestrogen stimulates the proliferation of the endometrial lining of the uterus, preparing it for possible implantation of a fertilised egg.