Ask a doctor about the supplements. They’ll lead you in the right direction. Sometimes the manufacturers lie.
The rhythmic sequence at which your heart beats is called a sinus rhythm, it is when the atria and ventricles of the heart contract.
Wow this teacher is a pain but I’d suggest just look up the steps of the digestive system or look at a diagram. But as for the bread chicken and mayo, you can say something along the lines of how the protein (chicken) uses amino acids to repair the micro tears in muscle. The bread (carbs) is stored for SHORT-TERM energy and how the mayo (fat) is passed through the blood stream and is either used for energy loss or stored for future use.
Hematologists, is a discipline in medicine which diagnoses, treats, and researches disorders and pathologies of the blood. This means that they are responsible for anything having to do with blood including looking at blood samples for abnormalities. Remember prefixes (Hema- or Hemo- is blood).
The answer should be "False."