Answer:
How does sperm cells get out of the genitals of the male's? What produces the sperms? Why does women have to hope on the genitals?
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Explanation:
Answer:
On molecules of PH3, there has to be 3 atoms.
Explanation:
The Element Hydrogen (H) has 3 attoms.
The Element Phosphorus (P) has 1 atom.
These two created into the molecule PH3, would have to have only 3 attoms because they are asking how many hydrogens atoms are in the molecule PH3.
Answer:
The vasa vasorum, the collection of small arteries and veins supplying blood to the smooth muscle and fibroblasts within blood vessels, is found in the <u>tunica externa</u>.
Explanation:
In order to understand the answer above let explain the concept of tunica externa
This in Latin means outer coat and can also be called 'tunica adventitia' which also means "additional coat in Lain",it is the outermost layer of the a blood vessel covering the tunica media(This is a Latin word translated as middle coat in English which is the middle layer of an artery or a vein it lies between the tunica externa and the tunica initima which is the innermost part of the artery or vein).
An Artery
We can define an artery as a blood vessel that transports blood from the heart to other parts of the body.
An Vein
We can define a vein as a blood vessel that transports blood to the heart
and we can define blood vessel as a tube that carries blood in the circulatory system.
