Answer:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. As the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.
Maybe depending on how hot or cold the food is it will change the outcome of the temperature and give you a false temperature
No she will not get her period because although it is possible for the person to see bleeding through pregnancy this will not be due to their menstrual cycle hope this helps
Both of them should be in their THR zones.
173-20=153
153 is within 140-177 & 148-181
The answer to this question is C
