How does our body provide natural protection against injury

Platelets adhere to tissues around the injured spot creating a blood clot and closing injured blood vessels. Inflammation protects against infection and removes any foreign objects or debris caused by the damage. In the time the body begins to replace the injured tissue, make the wound contract, and fix the injured blood vessels. Lastly scar tissue rebuilds itself and strengthens the damaged spot.

Probably because you wake up early. even when i get a good nights sleep i still feel tired if i wake up early. or maybe you just need coffee.

You can always get a sexually transmitted disease. always ask for consent before doing anything..because you never know if your bf or gf has an std!