What are the two major layers of the integument?
Epidermis and Dermis
What is the layer of mostly adipose that lies under the dermis?
Hypodermis
What are the two layers of connective tissue in the dermis?
Papillary (superficial) and Reticular (deeper)
Which specific layer of the integument protects underlying structures, stores energy, and provides thermal insulation?
the hypodermis
Which layer of the integument contains the blood vessels, glands, hair follicles, and sensory nerve endings?
The dermis
Which layer of the integument is avascular?
The epidermis
What system returns intersitital fluid back to the bloodstream?
Lymphatic system
Lymphatic vessels drain into _____
lymph nodes
What is the primary function of the lymph nodes?
To filter antigens from lymph and initiate an immune response
What organ acts as an erythrocyte reserve and recycles old erythrocytes?
The Spleen