The heart would be considered a muscle that works automatically. It is not told to start or stop.
<span>True. Gene therapy is still experimental but it uses genes to help treat disorders. Currently, doctors can replace mutated copies of genes with healthy ones. In the future they may be able to insert genes into people's bodies instead of giving them medicine.</span>
1) the answer is <span>c) 5%
2)</span><span>the answer is <span>d) 20%
</span></span>When a food is low in a specific nutrient it has five percent or less of that nutrient.
When a food has 20% or more of a certain nutrient, we can say that is high in that nutrient.
You can read this percentages in labels.
For example, a iogurt that says 21% of proteins and 5% of fat. That means it's high in proteins and low in fat.
<span><span /></span>