The meninges<span> are three layers of protective tissue called the dura mater, arachnoid mater, and pia mater that surround the neuraxis. The </span>meninges of the brain<span>and spinal cord are continuous, being linked through the magnum foramen.
</span>
Sperm enters the female body by having sexual intercourses. The male ejects his penis inside of a woman's vagina and releases a liquid (sperm) also known as semen.
<span>your further response to this finding is to to call a doctor to check up.</span>
Cells in onion peels are dead and the ones in spinach are alive.