The growing follicle is estradiol
The second and third trimesters of pregnancy occur entirely within the fetal period of prenatal development.
<h3>What is the fetus?</h3>
The fetus refers to the unborn offspring in mammals that grows during a given period of prenatal development.
In humans, the fetus is the body structure that generates form the embryonic state of development.
In conclusion, The second and third trimesters of pregnancy occur entirely within the fetal period of prenatal development.
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Answer:
The heart is a muscle and therefore it can be stimulated by electrical impulses.
Explanation:
In the heart, the electrical activity is generated in the SA node and conducted from the right atrium to the left atrium in order to contract myocardial cells