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.
Your answer would be A, because skeletal muscles are your muscles that allow your bones and joints to move. Answer A is an example of your involuntary muscles, which are not the same as skeletal muscles. I hope you still have time to put the correct answer down on your test, but if not please make me the brainliest answer, because my answer is actually correct.
Answer:
Explanation:
Ageing or aging (see spelling differences) is the process of becoming older. ... In the broader sense, ageing can refer to single cells within an organism which have ceased dividing (cellular senescence) or to the population of a species (population ageing).
Old age, also called senescence, in human beings, the final stage of the normal life span. ... For statistical and public administrative purposes, however, old age is frequently defined as 60 or 65 years of age or older.