Animal cells do not have cell walls<span> because they </span>do not need<span> them. </span>Cell walls<span>, which are found in </span>plant cells<span>, maintain </span>cell<span> shape, almost as if each </span>cell has<span>its own exoskeleton. This rigidity allows </span>plants<span> to stand upright without the </span>need<span> for bones or musculature.</span>
Answer:
The system that is in control of your breathing and is heavily dependent on your lungs
Explanation:
A. Action topics because they need Immediate action to take place.
There are no options, but violence is never effective. Neither is raising your voice.
Hope this helps :)
Answer:
The papillary and reticular layers of the dermis are mainly composed of connective tissue
Explanation:
