Answer:
a group of cells that work together to perform a common function.
Explanation:
PET would be the best option as I shows function although CT scans can also show function
Answer:
This is an example of <em>classical conditioning.</em>
Explanation:
Classical conditioning is the learning of the relationship between neutral and unconditional stimuli, which is caused by repeated exposure to this stimulus pair, and which results in a conditional reaction.
The dog came from the abusive environment. Every time someone came close to him, they would, for example,<em> beat him</em>. In this case, dog’s <em>association to the touch, was beating. </em>He got a new owner, who wanted to pet him and <em>show him love by touching him</em>, but the only association he had when it came to her hands, was abusing. By repeating the new action, he started to <em>associate her hands with love and tenderness. </em>
Answer: An employee quitting the job because he is not happy
Explanation: rough guess here. (physical education)?
