8-10 hours. It helps you take in information and remember things if your brain is well rested and you don't have to force yourself to wake up.
The correct answer is letter A. Pain receptor - tissue injury. Nociception refers to the processing of harmful stimuli in the nervous system. The nociceptors are also known as "Pain receptor" that responds only to tissue damages cause by either mechanical, thermal stimulation.
Red Blood Cells i believe are not part of the immune system. They carry oxygenated blood to the organs of the body
Answer:
It keeps you fit and being fit is healthier, and being healthy prevents heart disease.
Explanation:
For a moderately active adult female, the recommended amount of calories you should consume is around 2,000-2,200. The closest answer from the ones provided would be A. 2,300
