Answer:
From fertilization and to the end of the second week.
Explanation:
The development of the fetus is divided into three periods, established by most embryologists: pre-embyonic period, which goes from fertilization to the second week of development, embryonic period, which goes from the third week to the eighth week, and the fetal period, which goes from from the third month until the end of pregnancy.
The pre-embyonic stage begins at fertilization and remains until gastrulation. By the end of the second week the embryo already has the neural tube formed, although it is still open at both ends.
Correct answer choice is :
<h2>B) A series of steps to facilitate recovery</h2><h2 /><h3>Explanation:</h3><h3 />
As soon as practicable after an injury, such as a knee or ankle sprain, you can reduce pain and swelling and improve healing and extensibility with RICE-Rest, Ice, Compression, and Rise. Rest and defend the damaged or sore area. It is the ICE chemotherapy blend with the medication rituximab. Most people who have this kind of chemotherapy also have a stem cell transplantation.
<span>Name the drug used to combat allergies.
</span>-antihistamines
