ANATOMY

Detailed explanation-1: -Mammals include humans and all other animals that are warm-blooded vertebrates (vertebrates have backbones) with hair. They feed their young with milk and have a more well-developed brain than other types of animals.

Detailed explanation-2: -Birds and mammals are two classes of vertebrates that are said to be warm blooded. They possess various mechanisms to ensure that their body temperature is fairly constant, (unaffected by, and usually warmer than, their surroundings), so that they can function more efficiently and reliably.

Detailed explanation-3: -mammal, (class Mammalia), any member of the group of vertebrate animals in which the young are nourished with milk from special mammary glands of the mother.

Detailed explanation-4: -Mammals-are animals that have warm-blood, fur or hair, and have live babies. o All mammals have some type body hair or fur. Some marine mammals are nearly hairless, like whales and dolphins.

Detailed explanation-5: -Mammals-a group that include humans-are warm-blooded animals with hair and vertebrates, or backbones.