Answer:
By breathing when oxygen enters the body it goes to alveoli and gas exchange occurs then carbon dioxide comes out of the the body
Cells were taken while she was being treated for cancer many years ago and these cells have been cultured in the lab ever since.
The earth is divided into four main layers: the solid crust on the outside, the mantel, the outer core and the inner core. out of them, the crust is the thinnest layer of the earth, amounting for less than 1% of our planet's volume. hope this helps!
A stamen is the name for male reproductive parts of the flower which consists of an <u>Anther and Filament</u>.
