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.
Not all wounds bleed. For example, burns, some puncture wounds, and pressure sores don't bleed. Once the scab forms, your body's immune system kicks in to protect the wound from infection. 1  The wound becomes slightly swollen, red or pink, and tender.  You also may see some clear fluid oozing from the wound. This fluid helps clean the area.