Question

i have mammary gland and exoskeleton in tha form of hair.​

Answer 1

The individual hair is a rod of keratinized cells that may be cylindrical or more or less flattened. Keratin is a protein also found in claws and nails. ... The follicle also gives rise to sebaceous glands that produce sebum, a substance that lubricates thehair. Most mammals have three distinct kinds of hairs

Answer 2

The correct ans is

I m a bat and i my from subphylum Vertebrata Class Mamalia.

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