Biology - CrashCourse

Crash Course creates free, high-quality educational videos used by teachers and learners of all kinds.

And thus begins the most revolutionary biology course in history. Come and learn about covalent, ionic, and hydrogen bonds. What about electron orbitals, the octet rule, and what does it all have to do with a mad man named Gilbert Lewis? It's all contained within.

Crash Course Biology Preview.
Carbon... SO SIMPLE: Crash Course Biology #1.
Water - Liquid Awesome: Crash Course Biology #2.
Biological Molecules - You Are What You Eat: Crash Course Biology #3.
Eukaryopolis - The City of Animal Cells: Crash Course Biology #4.
In Da Club - Membranes & Transport: Crash Course Biology #5.
Plant Cells: Crash Course Biology #6.
ATP & Respiration: Crash Course Biology #7.
Photosynthesis: Crash Course Biology #8.
Heredity: Crash Course Biology #9.
DNA Structure and Replication: Crash Course Biology #10.
DNA, Hot Pockets, & The Longest Word Ever: Crash Course Biology #11.
Mitosis: Splitting Up is Complicated - Crash Course Biology #12.
Meiosis: Where the Sex Starts - Crash Course Biology #13.
Natural Selection - Crash Course Biology #14.
Speciation: Of Ligers & Men - Crash Course Biology #15.
Animal Development: We're Just Tubes - Crash Course Biology #16.
Evolutionary Development: Chicken Teeth - Crash Course Biology #17.
Population Genetics: When Darwin Met Mendel - Crash Course Biology #18.
Taxonomy: Life's Filing System - Crash Course Biology #19.
Evolution: It's a Thing - Crash Course Biology #20.
Comparative Anatomy: What Makes Us Animals - Crash Course Biology #21.
Simple Animals: Sponges, Jellies, & Octopuses - Crash Course Biology #22.
Complex Animals: Annelids & Arthropods - CrashCourse Biology #23.
Chordates - CrashCourse Biology #24.
Animal Behavior - CrashCourse Biology #25.
The Nervous System - CrashCourse Biology #26.
Circulatory & Respiratory Systems - CrashCourse Biology #27.
The Digestive System: CrashCourse Biology #28.
The Excretory System: From Your Heart to the Toilet - CrashCourse Biology #29.
The Skeletal System: It's ALIVE! - CrashCourse Biology #30.
Big Guns: The Muscular System - CrashCourse Biology #31.
Your Immune System: Natural Born Killer - Crash Course Biology #32.
Great Glands - Your Endocrine System: CrashCourse Biology #33.
The Reproductive System: How Gonads Go - CrashCourse Biology #34.
Old & Odd: Archaea, Bacteria & Protists - CrashCourse Biology #35.
The Reproductive Lives of Nonvascular Plants: Alternation of Generations - Crash Course Biology #36.
Vascular Plants = Winning! - Crash Course Biology #37.
The Plants & The Bees: Plant Reproduction - CrashCourse Biology #38.
Fungi: Death Becomes Them - CrashCourse Biology #39.
Ecology - Rules for Living on Earth: Crash Course Biology #40.