Integumentary System

Question 1

What is the different between -horns- and -antlers-?

Answer 1

1. -Horns- are -hollow- and made of a cone of -keratin- that surrounds a mass
2. -Antlers- made of bone with a velvety coating, as animals mature it becomes compact bone tissue

Question 2

What is the difference between -Nails-/-claws-and -hooves-?

Answer 2

1. -Nails’- matrix forms on top of the dermis, the root of the nail grows from a thick layer
2. -Claws-and-nails- are made of a section of the dermis which is covered in a layer of keratinised epithelium