Crash Course
The Nervous System (Part 1)
If you line up all of the neurons in your body, they would stretch almost 600 miles! The seventh video in a series of 47 and explore the nervous system, both central and peripheral. The narrator teaches the organization and composition...
Crash Course
The Skeletal System
Humans have 54 bones in their hands, fingers, and wrists, allowing for a variety of movement. The 19th video in a series of 47 introduces learners to the anatomy of the skeletal system. The narrator teaches about flat, short, and...
Crash Course
Immune System (Part 2)
Scientists are creating an experimental vaccine for the Ebola virus, which in clinical trials, is working. Such vaccines are the topic of a video about the adaptive immune system. The narrator discusses how a body reacts to pathogens in...
Crash Course
Immune System (Part 1)
A lack of good sleep weakens your immune system by making you more susceptible to infections and making recovery time longer. Video 45 in a series of 47 focuses on the immune system. Pupils hear how the body defends itself, from its...
Crash Course
Immune System (Part 3)
Who loves their immune system ... antibody? Antibody? The last video in a series of 47 takes a look at the cellular immune system. Learners see how specific cells in the body attack other body cells that are infected with pathogens. To...
Crash Course
Autonomic Nervous System
The sympathetic nervous system is what puts a person into fight or flight mode in scary situations. The 13th video in a series of 47 covers the autonomic nervous system, specifically how the sympathetic and parasympathetic systems work...
Curated OER
Life Cycle of a Flowering Plant
The development of the male and female gametes in a plant is illustrated, explaining plant fertilization, pollination, and reproduction. Overall, get a complete picture of the life cycle of a flowering plant with some wonderful details...
Crash Course
Peripheral Nervous System
The brain does not feel pain, which is why surgeons can perform brain surgery without anesthesia or while the patient is awake. Pupils see how the peripheral nervous system allows humans to feel pain. The narrator explores the afferent...
Crash Course
Sympathetic Nervous System
The sympathetic nervous system's job is to prepare the body in situations that threaten your survival. Video 14 in a series of 47 about the body specifically focuses on the sympathetic nervous system and stress. The narrator explains how...
Crash Course
Digestive System (Part 2)
It takes about seven seconds for food to move from the mouth to the stomach. Pupils follow food from the mouth through digestion, exploring where mechanical and chemical digestion occur. Saliva, enzymes, acids, and chyme are a small...
Crash Course
Respiratory System (Part 2)
Hemoglobin which is red, carries oxygen in RBC, and is responsible for the color of our blood. Video 32 in a series of 47 focuses on how your blood exchanges oxygen and carbon dioxide to maintain homeostasis. Scholars see how hemoglobin...
Crash Course
Tissues (Part 1)
Once a nerve cell is damaged, it cannot be reproduced. Video number two in a series of 47 introduces high schoolers to tissues, focusing on the four types: nervous, muscle, epithelial, and connective. The narrator teaches their roles in...
Crash Course
Blood Vessels (Part 2)
High schoolers learn what blood pressure measures, how it becomes too high, and the effects on the body. The narrator also explains how the body can deal with high blood pressure on its own, at least for a short amount of time.