Answer:
Girls have menstrual cycles because girls have changes of hormones in their body. The hormones make the lining of the uterus build up. This gets the uterus ready for an egg which when the egg is released it causes a period also known as a menstrual cycle which happens normally every month for at least 3-7 days.
Explanation:
Im thinking simple carbohydrates.
Answer:
147 to 161 bpm
Explanation:
The appropriate formulas are ...
220 - age = maximum heart rate
⇒ 220-32 = 188
Maximum heart rate - resting heart rate = heart rate reserve
⇒ 188 -52 = 136
(Heart rate reserve X training%) + resting heart rate
⇒ 136 × {0.7, 0.8} +52 = {147.2, 160.8}
John's target heart rate range is 147 to 161.
C) Flexibility; the type and frequency of activity are on target for improvement in this area
Answer: B, D, and E.
Explanation:
Birds and reptiles are most closely related, Frogs are more closely related to birds than fish and fish are the most primitive are three statements that are correct because a cladogram is considering a diagram that is used in cladistics.
This type of diagram is there to show relations between organisms and in this case, it is true that birds and reptiles are related most closely, frogs are more closely related to birds and the fish( C is incorrect) is the most primitive( that is why answer A. is not correct).
