The answer is Mouth/Teeth
Lungs and skin can also be part of the excretory system due to fact that they both excrete wastes.
Skin secretes excess water and salts
Your lungs help you get rid of waste gases
<span>No. Magnification refers to how many times larger an image is made. The sharpness of an image produced by a microscope is called resolution.</span>
It is estimated that the agriculture was invented 10000 to 12000 year ago. At this period of time, the modern humans or the <em>Homo sapiens</em> were spread to America.
The <em>Homo sapiens</em> begin to form villages and started domesticating animals. Also, all other ancestors of humans were possibly dead up to this period. The agriculture developments and advancements occurred after 10000 year ago.
Hence, the correct answer is <em>Homo sapiens. </em>