#623 What are bruises?
What are bruises? They are where blood vessels near the skin’s surface are broken after an impact. There are three layers in the skin: the epidermis, dermis, and hypodermis. The…
What are bruises? They are where blood vessels near the skin’s surface are broken after an impact. There are three layers in the skin: the epidermis, dermis, and hypodermis. The…
What causes brain damage? There are several things that cause brain damage. These can be traumatic injury, poison, stroke, tumor, or lack of oxygen. The brain weighs about 1.5 kg…