Physical activity causes an increase in your heart rate. Your body have to change the way it behaves so you don’t get ill or sick or pass out during physical exertion
The information or message from the DNA out of the nucleus into the cytoplasm, translation the second step from a gene to a protein that takes place in a cytoplasm
The structure is calcium ions.
Yes, it's A. Spinach and cabbage are (A) the leaves of plants. Spinach do have flowers but they are not the flowers itself while cabbages don't have flowers. Cabbages and Spinach don't have fruits either.
