Amoeba Sisters
Homeostasis and Negative/Positive Feedback
Explore homeostasis with the Amoeba Sisters and learn how homeostasis relates to feedback in the human body. This video gives examples of negative feedback (temperature and blood glucose regulation) and positive feedback (events in...
Bozeman Science
The Importance of Oxygen
In this video Paul Andersen explains the importance of oxygen in accepting electrons. He begins with a brief description of combustion. He then explains the role of oxygen in aerobic cellular respiration.
Crash Course
Circulatory & Respiratory Systems - CrashCourse Biology
Hank takes us on a trip around the body - we follow the circulatory and respiratory systems as they deliver oxygen and remove carbon dioxide from cells, and help make it possible for our bodies to function.
Bozeman Science
Cellular Respiration Lab Walkthrough
Mr. Andersen walks you through the cellular respiration lab.
Bozeman Science
Cellular Respiration
Paul Andersen covers the processes of aerobic and anaerobic cellular respiration. He starts with a brief description of the two processes. He then describes the important parts of the mitochondria. He explains how energy is transferred...
Bozeman Science
LS1C - Matter and Energy Flow in Organisms
Sustaining life requires substantial energy and matter inputs. The complex struc- tural organization of organisms accommodates the capture, transformation, trans- port, release, and elimination of the matter and energy needed to sustain...
Bozeman Science
Plant Nutrition and Transport
Paul Andersen explains how nutrients and water are transported in plants. He begins with a brief discussion of what nutrients are required by plants and where they get them. He shows you dermal, vascular and ground tissue in monocot...
Bozeman Science
Photosynthesis
Paul Andersen explains the process of photosynthesis by which plants and algae can convert carbon dioxide into useable sugar. He begins with a brief description of the chloroplast. He describes the major pigments in a plant (like...
Bozeman Science
Energy Flow in Ecosystems
In this video Paul Andersen explains how energy flows in ecosystems. Energy enters via producers through photosynthesis or chemosynthesis. Producers and consumers release the energy from food through cellular respiration. An explanation...
Bozeman Science
LS2B - Cycles of Matter and Energy Transfer
In this video Paul Andersen explains how matter moves from the environment into living organisms and back into the environment. Food webs are used to show how matter and energy move through organisms. Ecological pyramids show that matter...
Curated Video
Anaerobic Respiration: Energy Production Without Oxygen
Cellular respiration in the absence of oxygen. Like aerobic respiration, it converts glucose into usable energy, in the form of ATP. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
Curated Video
GCSE Biology - Active Transport #9
This lesson covers: - What active transport it - How it's different to diffusion - How root hair cells are adapted to absorb mineral ions Exam board specific info: AQA - Suitable for everyone IGCSE Edexcel - Suitable for everyone Edexcel...
Curated Video
Fermentation
Fermentation analyzes the process of fermentation by describing how cells and organisms acquire and release energy.
Curated Video
ChatGPT for Teachers in Education - Time Savers
This video helps in discovering time-saving techniques and strategies to optimize your usage of ChatGPT in this productivity-focused video. This clip is from the chapter "Mastery-Intermediate - Creating Prompts for Effective Results" of...
Curated Video
Chemosynthesis
Chemosynthesis analyzes the process of chemosynthesis by describing how cells and organisms acquire and release energy.
Curated Video
Cellular Respiration
Cellular Respiration analyzes the process of cellular respiration by describing how cells and organisms acquire and release energy.
Curated Video
A Respiratory System Overview - How We Breathe
Discover the incredible science behind the air we breathe and how it fuels our body's energy production! We'll explore the fascinating process of cellular respiration and its vital role in our daily lives. From gym workouts to simply...
Curated Video
The Science Behind the Body's Response to Exercise
This video explains how the human body responds to exercise and the increased demand for energy that comes with it. The role of cellular respiration, glucose, and oxygen in supplying energy to the muscles is explained. The video also...
Curated Video
061 The Bohr Effect
In this video, Leslie talks about the bohr effect, showing how a combination of an increase in CO2 production, combined with a reduction in pH results in an increase in Oxygen delivery by Hemoglobin.
Curated Video
Red Blood Cell Structure and Function | Anatomy and Physiology
Red Blood Cells are unique cells. And in this video, we talk about their structure and function. Learn about their biconcave shape, the missing organelles, details about hemoglobin and gas exchange.
Curated Video
How Creatine REALLY Works - The Biology Behind It
Have you ever wondered what creatine is and how it works, then this video is for you. I'll explain the biology behind creatine in the context of how muscle contraction happens. Enjoy!
Curated Video
059 An Introduction to the Respiratory System
IMPORTANT: There was one error in this video. The pulmonary ARTERY takes the deoxygenated blood from the right ventricle to the lungs and the pulmonary VEIN brings the oxygenated blood back to the left atrium. I said those two things...
Curated Video
Cellular Respiration - Energy in a Cell
In this lecture, I talk about Cellular respiration, which consists of Glycolysis, the Krebs Cycle and the Electron Transport Chain. I deal with how Glucose is broken down and how ATP is made. Since energy is important for all living...
Professor Dave Explains
Cellular Respiration Part 1: Glycolysis
You need energy to do literally anything, even just lay still and think. Where does this energy come from? Well, food, right? But how? This is one of the most miraculous biological processes, and it happens in our bodies every moment of...