What is the main function of hormones released by the endocrine system in females?

• A. To control digestive processes
• B. To regulate blood sugar levels
• C. To influence menstrual cycle and ovulation
• D. To maintain muscle tone

Answer: (C)

The main function of hormones released by the endocrine system in females is to influence the menstrual cycle and ovulation. Hormones such as estrogen and progesterone play critical roles in regulating the various phases of the menstrual cycle, facilitating ovulation, and preparing the body for a potential pregnancy. These hormones are crucial for reproductive health and are involved in numerous processes that govern fertility and sexual development.

The endocrine system produces and releases these hormones in a carefully timed manner, coordinating with different stages of the menstrual cycle. For instance, estrogen levels rise during the follicular phase to stimulate the maturation of eggs and prepare the uterine lining, while progesterone is secreted during the luteal phase to maintain this lining should fertilization occur.

In contrast, the other options relate to different bodily functions not primarily driven by hormones from the endocrine system in females. The regulation of digestive processes typically falls under the purview of hormones like gastrin and secretin, which are not specific to the female endocrine function. Blood sugar regulation is primarily managed by insulin and glucagon, hormones produced by the pancreas. Lastly, maintaining muscle tone involves various factors, including physical activity and muscle innervation, rather than being directly controlled by hormones from the endocrine system specific to females.