Â© 2014 WebMD, LLC. All rights reserved. The skin is the largest organ of the body, with a total area of about 20 square feet. The skin protects us from microbes and the elements, helps regulate body temperature, and permits the sensations of touch, heat, and cold. Skin has three layers: 1  The epidermis, the outermost layer of skin, provides a waterproof barrier and creates our skin tone. 2  The dermis, beneath the epidermis, contains tough connective tissue, hair follicles, and sweat glands. 3  The deeper subcutaneous tissue (hypodermis) is made of fat and connective tissue.
The honeymoon period tends to last anywhere between 6 months and a year. The relationship still feels fresh and exciting, and youâre constantly learning new things about each other and having first experiences together. But there comes a point when suddenly youâve done all that stuff together already.
Gestation period, the duration of pregnancy, in humans being about 266 days (38 weeks) from the time of fertilization until birth 3.  266 days is the average gestation period for humans from conception to birth 4. End of Week 38. (266 Days from Conception) - Estimated birth date.