As the cardiac muscle gets stronger, the amount of blood pumped with each beat increases which in turn makes the heart more efficient overall. As a result, we can infer that as the cardiac muscle gets stronger, the heart rate will decrease since it is able to pump more blood with each beat
D-As stress levels increase, job efficiency increases is the correct answer.
<span>The statement which accurately describes the phases of the menstrual cycle in humans is : B. FSH in the blood is highest during the luteal phase. Keep in mind that when the luteal phase takes place LH from the anterior pituitary gland stimulates the corpus luteum inorder to produce progesterone. The option C, which is suggested above, is incorrect because ovulation occurs at 14th day of the cycle. </span>
