Your heart pumps blood so it can circulate to your tissues as well as get oxygen from your lungs, if your heart can’t pump blood well i.e. heart attack you can feel short of breath
Answer:
No, because it is a sign of damage. Although it is better than a burn, it means that DNA has damaged itself. It is the repair mechanism that stimulates more melanin production.
Explanation:
Answer:
Mutation and Recombination
Answer:
The correct answer is option B "It will become narrower (span a more narrow range of ambient temperatures)".
Explanation:
Dogs, and other animals with fur, use their pelage to increase the range of ambient temperatures that they can tolerate. The way they do it is by altering their fluffiness depending if they are exposed to cooler or heater temperatures. If a dog is shaved, its thermoneutral zone will become narrower. Therefore, the dog will not be able to live in extremal temperature conditions as it did before with its fur.
