Bile neutralises the stomach acid.
Answer:
B
Explanation:
because they are moving at the same direction
The number of mitochondria per cell varies widely; for example, in humans, erythrocytes (red blood cells) do not contain any mitochondria, whereas liver cells and muscle cells may contain hundreds or even thousands. The only eukaryotic organism known to lack mitochondria is the oxymonad Monocercomonoides species.
Feces are deposited on the ground, and the bacteria in the soil breaks it down, and uses the nutrients
