Will mark brainliest : plz 4. let’s say you start jogging every day, burning an additional 300 calories a day. at this rate, how long would it take you to lose one pound of body fat?

2 days.. I think

Hope it helps! C;

It would take you about a week and a half to burn a pound

Africa has 54 countries

Bmust be the answer, as technically all organs move, so a is incorrect. all organs are made of different types of cells, so that isn’t a problem, so c is also incorrect. human hearts are very similar to many other animals’ hearts, so d is also incorrect, yet the heart is made of muscle, which is hard to grow in the lab so it would be correct to say b