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:
you'd probably call them checkered
hope i helped:)
Answer:
True!
Explanation:
A man produces VALID sperm from the moment he hits puberty!
While a woman is born with the amount she uses for the rest of her life!!
Type 1 is correct! hope this helps!
~Zane