Answer: they allow air to enter lungs and also permits air into the body
Explanation:
Because it’s good for the environment to have a good balance and not to much of one thing
Cells divide for many reasons. For example, when you skin your knee, cells divide to replace old, dead, or damaged cells. Cells also divide so living things can grow. When organisms grow, it isn't because cells are getting larger.
Hello There!
-There are 2 possible ways that a pond could form-
The first way it could happen is because of erosion. Erosion is the movement of weathered materials. This includes gravel, soil, and sand. This is the reason why the Earth's surface is always changing.
The second way ponds could made is by a person. This is called man made because someone had to be able to build hem
Euglena are single cell flagellates....they have chloroplasts so are capable of photosynthesis- like a plant...but can also “eat” other carbon sources. They belong to the Kingdom Protista.
