The heart rate that's not measured, but calculated, is called the
target heart rate
maximum heart rate
resting heart rate
atp heart rate

it says days

explanation:

he can sleep nights. hope this

for respect usually. some people might be little awkward if you meet or some would be different. usually   you dont love people when you meet them depends on the type of person.

hope this

the answer should be true

c would be the answer