One reasonable plan would be to wear a face mask or surgical
mask. Take note that your surgical mask contains two sides – the white side and the
blue side. Since the main purpose of your mask usage is to prevent yourself
from inhaling too much bad air, the blue side of the mask should be the one
touching your skin. This is because the white side of your mask helps you
prevent from coming in contact with toxins that may come from the smog.
The main reason why the testes are suspended within the scrotum is to provide cooler temperature for the testes and make it fertile for penetrating the egg. The Scrotum may contract or lengthen depending on the temperature of its surrounding.
Explanation:
<u>System</u> is a combination of several organs that perform together for a common function.
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Ungulate refers to the large, diverse group of mammals which use the tip of their toes to support their whole body weight while moving. They are divided into two, which are odd toe and even toe ungulates.
Even toe ungulates are those mammals whose weight are supported equally by their third and fourth toes while they are moving. Examples of such animals are cattle, pig, giraffe, camel, etc.<span />
