Chapter 5
Anatomy and Physiology of Animals · 6 exercises
Problem 1
The two layers that form the skin are the a) _______ and b) __________. a)epidermis b) dermis
2 step solution
Problem 2
The special protein deposited in epidermal cells to make them waterproof is: keratin
2 step solution
Problem 3
Many important skin structures are made of keratin. These include: hair,nails,foot pads, feathers,scales on reptiles
3 step solution
Problem 4
Sweat, sebaceous and mammary glands all have ducts to the outside. These kind of glands are known as: _______ exocrine.
2 step solution
Problem 5
What is the pigment deposited in skin cells that protects underlying skin layers from the harmful effects of the sun? melanin
3 step solution
Problem 7
Name two mechanisms by means of which the skin helps prevent heat loss when an animal is in a cold environment.
3 step solution