Answer: the statement is already correct
The skeletal system. Including bones and cartiladge.
I'd say trustworthiness, your friend is trusting you with keeping a secret that he or she will only share with you. I hope this helps :)
Answer: alternative D.
Explanation: The animals that go through this process understand that everytime they drink the unusual-tasting liquid they will be injected, being that a very unpleasant series of events. They are conditioned, therefore, to be afraid of the unpleasantness of this process by associating pain to the actions that are part of it.
Answer:
Loss of size in one of the testicles
Explanation:
Growth of one of the testicles is indicative of a tumor, no cancer would decrease its size.
