Bacteria are classified into five groups according to their basic shapes: spherical (cocci), rod (bacilli), spiral (spirilla), comma (vibrios) or corkscrew (spirochaetes). They can exist as single cells, in pairs, chains or clusters. Bacteria are found in every habitat on Earth: soil, rock, oceans and even arctic snow.
Explanation:
the main thing that a mitochondria does in the human body is produce a small molecule called adenosine triphosphate (ATP). and ATP's main goal is to transfer and store energy in the human body.
make sure to ask if you need any further guidance :)
B is better because it has more surface area.
If you have too much CO2 in your blood, you will hyperventilate (or breath faster) to get rid of the CO2 and get more oxygen
It pumps blood all over our bodies
