There are 249 calories in a 3.5 oz serving of Ground beef Ground Beef, crumbled, cooked, drained, rinsed. Calorie breakdown: 57% fat, 0% carbs, 43% protein.here are 249 calories in a 3.5 oz serving of Ground beef Ground Beef, crumbled, cooked, drained, rinsed. Calorie breakdown: 57% fat, 0% carbs, 43% protein.
Sunlight and Vitamin D Synthesis. Exposure to the sunâs ultraviolet (UV) rays is required for vitamin D3 (cholecalciferol) to be produced. Vitamin D3 is synthesized in the skin once your unprotected skin receives exposure to sunlights UV rays. The sun emits three different types of radiation, UVA, UVB and UVC. The ozone layer is good at blocking all of the UVC radiation and most of the UVB, however, none of the UVA radiation.
kgb answers Â» Health & Body Â» Human Body. B12 is a vitamin with a role in the normal functioning of the brain and nervous system, and for the formation of blood.report this answer. Updated on Wednesday, February 01 2012 at 03:47PM EST. Source: www.google.com/...gb answers Â» Health & Body Â» Human Body. B12 is a vitamin with a role in the normal functioning of the brain and nervous system, and for the formation of blood.