Answer:
A dog pants in the heat to control its body temperature. Panting is a mechanism of homeostasis that dogs use for regulation .
Pernicious anemia can be defined as a medical condition in which the body of the affected individual is unable to make enough of the healthy red blood cells. The lack of the vitamin B-12 in the body of the affected person results in this condition. It is treated by giving Vitamin B-12 pills to the patient.
Hence, the answer is 'Vitamin B-12'.
Answer: Earth rotates on its axis once each day, and the gravity of the moon.
Explanation: