Both Kyla and Tia will be in their zone. Even if they dicrease their heart rates by 20 beats per minute from 175 beats per minute. 155 beats per minute still falls under kyla's target heart rate zone and Tia's target heart rate zone.
The inguinal region is inferior to the cervical region
It is the tropesphere. Hope i helped :)
The cardiovascular system transports oxygen to cells through blood and takes away carbon dioxide from the cells.
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