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PTCE
Immune System & Integumentary System
Anatomy | Function |
---|---|
Thymus | Site of T-cell differentiation |
Lymph node | Filters fluids, catching viruses, bacteria & other unknown materials |
T cells | WBCs aka lymphocytes & play a central role in cell-mediated immunity |
B cells | Make antibodies against antigens, to perform the role of Antigen-presenting cell (APC) & to develop into memory B cells after activation by antigen interaction |
Spleen | Act as blood filter |
Epidermis | Produces new skin cells |
Dermis | Contains collagen & supports blood vessels, glands & nerves |
Hypodermis | Stores fat that insulates the body |
Sebaceous glands | Secretes sebum that lubricates the skin & retains water to keep hair & skin soft |
Sweat glands | Acts as cooling system when the body temperature rises |