About the AP U.S. Government Test: The exam is 2 hours and 25 minutes long, and is divided into two sections. The AP Government Multiple Choice section is 45 minutes long and has 60 questions. Each question has five possible answers, and no points are deducted for incorrect answers.
Red light therapy home devices combine red and infrared rays (but no UV rays) to stimulate blood circulation, boost your collagen production and enhance the natural ability of your skin to heal. The heat and light boost circulation, bringing more blood and nutrients to your skin.
1 Collagen is most commonly found within the body in the skin, bones and connective tissues. 2  The word collagen is derived from the Greek kolla, meaning glue. 3  Collagen gives the skin its strength and structure, and also plays a role in the replacement of dead skin cells.ollagen is the most abundant protein in the human body and is the substance that holds the whole body together.