1 Having high or low cholesterol does not exclude a person from donating blood. 2  Potential blood donors may be temporarily prevented from donating if they have a low level of iron (hematocrit) in their blood.
Headline Clickable. To keep food warm without overcooking, set your oven to the lowest temperature (which is probably 200 degrees F) and cover the food with foil.eadline Clickable. To keep food warm without overcooking, set your oven to the lowest temperature (which is probably 200 degrees F) and cover the food with foil.
For the meat to be properly cooked the internal temperature should be a minimum of 165Â°, preferably 170Â°, for 5 minutes. Set your thermometer alarm for 165Â°, and when it goes off, remove the meat loaf from the 325Â° oven. Cover and let rest for 10 minutes. The temperature will raise another 5Â° while resting.