In simple term, Heart can be stated as the organ which pumps the blood and circulates the blood throughout the body and It prevents the back flow of blood from the left ventricle into the left atrium.
<u>Explanation:</u>
The Heart spreads the blood to our human body through two ways the right side and left side.
Right side:
- The right atrium receives the deoxygenated blood from our body than the right atrium contracts and then blood passes to the right ventricle.
Left side:
- To the other side of the pulmonary vein, the newly oxygenated blood moves to the left atrium.
- Then the left atrium contracts and it pushes the blood to the left ventricle, then left ventricle becomes full it then contracts and pushes the blood back to the body.
40° F or below should be the temperature range be for fresh food.
<h3>What temperature should fresh food be?</h3>
Make sure the freezer is consistently 0° F or below and the temperature is consistently 40° F or below by using an appliance thermometer. Within two hours of cooking or purchasing, refrigerate or freeze meat, poultry, eggs, shellfish, and other perishables. If it is hotter than 90 degrees Fahrenheit outside, refrigerate within an hour. Fresh meat should be kept between 28°F and 32°F for the best storage results. Meat should be kept in the refrigerator's coldest section. Perishability rises as storage temperatures approach 40°F. Bacteria start to multiply quickly at about 50°F.
Thus from above conclusion we can say that 40° F or below should be the temperature range be for fresh food.
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