The answer is 35cm 2. To find the area, you need to divide the shape into a rectangle and a triangle: The area of the rectangle is 5 Ã 4 = 20cm 2. The base of the triangle is calculated by subtracting the base of the rectangle (4cm) from the total length of the shape (10cm).
A handful of studies have found that when wounds are kept moist and covered, blood vessels regenerate faster and the number of cells that cause inflammation drop more rapidly than they do in wounds allowed to air out. It is best to keep a wound moist and covered for at least five days.
What is the sequence of events when the skin has been injured by trauma or surgical incision. 1 stop the blood loss. 2 cleanup pathogens and debris in the wound. 3 sealed the wound against infection. 4 regenerate the natural epidermal covering. 5 repair deeper tissue damage.