The answers are craving and relapse.
Try it out.
Blood in the pulmonary vein is oxygen rich, while in all of the other veins, it is oxygen poor.
Hope this helps... mark as Brainliest plz
Answer:
Target heart rate is generally expressed as a percentage (usually between 50 percent and 85 percent) of your maximum safe heart rate. The maximum rate is based on your age, as subtracted from 220. So for a 50-year-old, maximum heart rate is 220 minus 50, or 170 beats per minute.
Explanation:
Someone tat stands up for something
