When dissecting you should cut away from yourself?

Answer;

-The above statement is true

-It is a precaution during dissecting.

Explanation;

Among the precautions  while dissecting include;

-When cutting into or dissecting the specimen, it is important to always cut away from yourself and others. To avoid cutting anyone, especially with formaldehyde being used. .

-You should also should not hold the animals while cutting because you could again, cut yourself.  Another precaution that should be obvious is Do not eat any part of the specimen.

the sphincter muscles at the end of the digestive tract is the anus.

b. the carbon cycle ensures living things have a source of hydrogen