This process is repeated every time the heart beats. They then relax so the heart can fill with blood again. When the heart beats normally, its muscular walls tighten and squeeze (contract) to force blood out and around the body. Call 999 immediately as you need immediate treatment in hospital. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |