Lesson 31 Lecture notes Flashcards
skin is the largest organ of which system
integumentary system
Skin is responsible for
homeostasis, protection, and communication
how many layers does skin have
3, epidermis, dermis, subcutaneous layer
the epidermis has two parts:
squamous cells and germinative cells
the dermis produces
elastin and collagen, which help skin to stretch and return to normal
hair follicles are surrounded with
nerve endings
which layer of skin is composed of fat and connective tissue?
subcutaneous layer
the lymphatic and immune systems…
absorb fats, protect from invaders, maintain fluid ballance
lymph fluid
attacks invaders
lymph vessels are different from blood vessels because
1-way system, no pump, capillaries are dead ends
which muscles pump the lymph?
skeletal muscles
lymph nodes are stations that
filter and clean the lymph fluid
where does the lymph join the blood stream?
subclavian vein
the palatine tonsils, adenoids, and lingual tonsils are for
protection from the throat and nose
What is the largest organ of the lymphatic system?
the spleen
