Details tissue engineering in drug delivery, gene therapy, skin, cardiovascular, liver, bone, cartilage, and muscle. Covers scaffolds, biomaterials, 3D bioprinting, and clinical applications.

Covers system integration definition, types, and challenges. Discusses legacy integration, EAI, B2B integration, APIs, middleware, webhooks, EDI, and integration platforms like iPaaS and HIP.

Explains test plan creation including objectives, scope, methodology, approach, risks, and mitigation. Compares test strategy vs test plan with components, deliverables, and best practices.

Describes communication network types: PSTN, POTS, ISDN, and Internet. Explains circuit-switched vs packet-switched networks, their features, advantages, limitations, and modern relevance.

Details integration testing approaches: big-bang, bottom-up, top-down, and mixed integration. Covers system testing, performance testing types, mutation testing, and regression testing with tools and advantages.