Answer:
Plays a role in circulation
Explanation:
When your heart beats, it squeezes and pushes blood through your arteries to the rest of your body. This force creates pressure on those blood vessels, and that's your systolic blood pressure.
Hope this helps :)
Answer:
The centromere is an undivided structure of DNA.
Explanation:
Chromosomes attached to the mitotic spindle via structures called the centromere. The centromere is an undivided structure of DNA. Once the spindle fibers attached, they're able to position the chromosomes for cell division
Global warming and Global cooling. As the Earth's orbit becomes more elliptical, (as it is now,) it begins a Global warming and enters into an Interglacial period, when the Earth is mostly warm. When the Earth's orbit becomes more circular around the sun, (as it has been at least two or three times before so far,) it begins a Global cooling and enters into a Glacial period. I hope that this helps!
Answer:
C. Extinction
Explanation:
Classical conditioning is also known as respondent conditioning and during training, strengthening of a conditioned response is key.
Also, according to Thorndike, learning is strengthened and more likely to occur each time a response is followed by a satisfying state of affairs.
Therefore, if the unconditioned stimulus no longer follows the conditioned stimulus, extinction would occur.
C I know this is hard but it’s easy