by decreasing vitamin levels, and a lot of vitamin K
This isn't a full essay but there is some helpful information about Backstrokes. (Tip: Make sure to paraphrase the info you use)
The Backstroke, also known as a back crawl is one out of four swimming styles you can use. Out of the four swimming styles, the backstroke is the easier as far as breathing but maybe be harder to swim hence the fact you can't see. Backstrokes are great for strengthening your upper body and helps tighten your core according to PopSugar. In order to master this style of swimming, you have to have balance. The backstroke engages all of your core.
Answer; Grieving is the outward expression of your loss. Your grief is likely to be expressed physically, emotionally, and psychologically. For instance, crying is a physical expression, while depression is a psychological expression. It is very important to allow yourself to express these feelings. Often, death is a subject that is avoided, ignored or denied. At first it may seem helpful to separate yourself from the pain, but you cannot avoid grieving forever. Someday those feelings will need to be resolved or they may cause physical or emotional illness.
Many people report physical symptoms that accompany grief. Stomach pain, loss of appetite, intestinal upsets, sleep disturbances and loss of energy are all common symptoms of acute grief. Of all life's stresses, mourning can seriously test your natural defense systems. Existing illnesses may worsen or new conditions may develop.
Explanation: i dont know if this helps if not so sorry