Answer:
sperm cells only a few hundred are able to traverse the long way through the cervix, the uterus, and past the fallopian tube isthmus to the tube's ampullary region to there meet oocyte.
Explanation:
The oceanic crust gets carried underneath another tectonic plate and it sinks hundreds of miles into the Earth's Mantle.
Answer:
<em>True</em>
Explanation:
El- Haiwan is an important Arabic book which has been translated to many different languages. The book's title refers to the meaning of animals in the English language. This book is very important in explaining many biological phenomenons taking place in different animals. This book also explains about reproduction which occurs in animals. Corpus Aristotelicum is known to be the writer of this book. Hence, the above statement is true.
<u><em>Naturally acquired active immunity:</em></u> It happens when someone is exposed to a live disease and gets the disease. The person then becomes immune as a result of the first immune response.
It's sort of like a fall and learn to get up for the body.
<em><u>Artificially acquired active immunity</u></em>: It can be isert into the body by a vaccine so you won't get sick. That's why if you get a flu shot, you won't get the flu, if you get a chicken pox vaccine, you won't get the chicken pox.
It's like you're body has a personal guide telling it where and where not to step in order to not fall.
