Curated OER
Kids Health: Immune System
The different parts of the immune system and its cell types are explained. Also described are the three kinds of immunity humans have - adaptive, innate and passive - as well as the major types of disorders of the immune system.
TeachEngineering
Teach Engineering: Win That Bid! Selling Your Power Solution
A large part of engineering involves presenting products, concepts, and proposals to others in order to gain approval, funding, contracts, etc. The purpose of this activity is to fine-tune students' presentation skills while allowing...
Palomar Community College District
Palomar College: Stem & Root Anatomy
This is an advanced review from Palomar College of the types of cells that make up conducting tissue in stems and roots. The photos and diagrams are excellent!