The Cardiac Muscle contracts about 70 times per minute
As far as I know sleeping well is one action that can assist in both physical and mental reparations. Without sleep you can’t form or maintain the pathways in your brain that let you learn and create new memories, and it’s harder to concentrate and respond quickly.
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. The pulmonary vein empties oxygen-rich blood, from the lungs into the left atrium.
Explanation:
hope this helps...
and if u didn't get it its veins...
Answer:
<u>According </u><u>to </u><u>WHO,</u><u>“A state of complete physical, mental and social. well-being and not merely the absence of. disease or infirmity” – </u><u>is </u><u>called </u><u>being </u><u>healthy.</u><u> </u>
<u>To </u><u>be </u><u>healthy</u><u>,</u><u> </u><u>following </u><u>things </u><u>should </u><u>be </u><u>considered </u><u>such </u><u>as:</u>
- <u>Limit Unhealthy Foods and Eat Healthy </u><u>Meals,</u>
- <u>Reduce Sitting and Screen </u><u>Time,</u>
- <u> Go Easy on Alcohol and Stay </u><u>Sober</u>
- <u>Have </u><u>enough </u><u>sleep </u><u>of </u><u>at least </u><u>6</u><u>-</u><u>7</u><u> </u><u>hours</u>
- <u>Exercise </u><u>regularly </u><u>,</u><u> </u><u>etc</u>
Explanation:
I hope it will help you...
cells have many structures inside of them called organelles. these organelles are like the organs in a human and they help the cell stay alive. each organelle has it's own specific function to help the cell survive. the nucleus of a eukaryotic cell directs the cell's activities and stores DNA.