What holiday is associated with the US open

The US Open starts on the last Monday of August and continues for two weeks, with the middle weekend coinciding with the U.S. Labor Day holiday. The tournament consists of five primary championships: men's and women's singles, men's and women's doubles, and mixed doubles.

Explanation:

US Open will be showcased around the world by its international broadcast media partners. Eurosport is the exclusive broadcast partner of the US Open in continental Europe, reaching 52 countries.

since you have not provided the options here i   am going to give you general overview about hormone.hormone are actually the part of endocrine system in our body and produced by the endocrine glands. the hormones act like a chemical messenger   within human body. once produce by the glands they   travel through the blood stream and reach at specific or target tissue and organs   which result in control of our body function. the hormones are specific in their work and work on only the targeted tissue or organ   . with the of hormone endocrine system regulate the heart rate , metabolism, our mood and   growth as well as the development and even the sleeping cycle etc. they actually are the messenger for body cell and organs .