Chloroplast<span> Function. </span>Chloroplasts<span> are very similar to </span>mitochondria<span>, but are found only in the cells of plants and some algae. Like </span>mitochondria<span>, </span>chloroplasts<span> produce food for their cells. </span>Chloroplasts<span> help turn sunlight into food that can be used by the cell, a process known as photosynthesis.</span>
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
Mantle convection describes the movement of the mantle as it transfers heat from the white-hot core to the brittle lithosphere. ... Convection currents also transfer denser, cooler material from the crust to Earth's interior through the process of subduction.Aug 11, 2015
Leftover radiation from the big bang is your answer hope i helped
