- absorbs and blocks some of the harmful UV rays
- keeps oxygen and other gassed inside the atmosphere
- helps maintain the planet’s temperature to support life
In the crayfish's nerve cord, it is the combination of the two nerves that lead from the brain to form the ventral nerve cord which runs down the abdomen. It is important for sending signals from the ganglion to the appendages and muscles. While the rat's spinal cord it runs along the dorsal or back, rather than the front, and it is important for transferring neural signals between the brain and for the rest of the body.
Answer:
The science of biology is mainly studying about life. Second, it provides an in-depth, scientific understanding of how all living and nonliving organisms interact with each other. Third, it gives insights into how diverse life forms are.
Answer:
To keep blood safe, blood banks carefully screen donated blood. The risk of catching a virus from a blood transfusion is low. Sometimes it is possible to have a transfusion of your own blood. During surgery, you may need a blood transfusion because of blood loss.
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Explanation:
Becauses the structure above inportant in maintains homeostyasis