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The walls of arteries and veins have three layers or tunics: An outer layer (tunica adventitia) of connective tissue with collagen fibers. An inner layer (tunica intima), consisting of a specialized simple squamous epithelium, often called the endothelium, that lines all blood vessels and the endocardium of the heart.
The blood pressure on veins is less than that in the arteries because they are draining blood from the capillary bed. As a consequence of lower pressure in veins, they contain internal flaps which act as one way valves to prevent blood from flowing in the wrong direction. Veins return blood to the heart.
By asking if he meant to and maybe asking him to apologize or him apologizing to her
Safety tips- check weather before going outside, dress and pack accordingly, put on sunscreen to protect the skin.
Fire safety prevention guidelines- install smoke alarms, test alarms every month, talk with family about fire escape plans and practice them, and if it's in your house Get Out, Stay Out , and Call For Help
The answer would be x=4+2√10,4−2√10
