Curated Video
What is a Cell? - Life’s Building Blocks
Every living thing on our planet, from plants to animals, is made up of cells. Cells are the building blocks of life, but what are they and how do they work? Biology - Cells And DNA - Learning Points. All cells have vital genetic...
Curated Video
Agar Cube Diffusion
We use coloured agar cubes to see how different shapes change the rate of diffusion. The cubes are made using sodium hydroxide and phenolphthalein indicator to give them a pink colour. When these are added to hydrochloric acid, the...
Curated Video
Plant vs Animal Cells
We compare plant cells and animal cells under a microscope to see how they differ. Cheek cells are dyed with methylene blue to make the observations possible. Biology - Cells And DNA - Learning Points. Almost all cells are invisible to...
Curated Video
The Cell Membrane
Journey inside the cell to see how the cell membrane acts as both a barrier and an entrance. How does it take in nutrients while keeping out potentially damaging molecules? Biology - Cells And DNA - Learning Points. The cell membrane...
Curated Video
What is a Cell? - Cell Basics
Every organism is made up of cells, but what exactly is a cell? Life processes - Living processes - Cells Learning Points A cell is the most basic unit of life. Cells are the building blocks of all living things. There are many types of...
Wonderscape
The Invisible Invaders: Understanding Viruses
Delve into the microscopic world of viruses, learning about their structure, how they differ from living organisms, and their methods of infecting host cells. Understand the components of a virus, including nucleic acids (DNA or RNA), a...
Wonderscape
Differences Between Plant and Animal Cells
Explore the unique features of plant cells compared to animal cells. Learn about the specialized structures such as vacuoles, cell walls, and chloroplasts that distinguish plant cells. Understand how these features contribute to the...
Wonderscape
Understanding Plant and Animal Cells: Structure and Function
Explore the basic structure and functions of plant and animal cells, the fundamental units of living organisms. Learn about the similarities and differences between plant and animal cells, including the roles of the cell membrane,...
Institute of Human Anatomy
Why Antibiotics Don't Work Like They Used To
In this video, Jonathan from The Institute of Human Anatomy delves into the world of antibiotics and their impact on the human body. He explains what they are, explores their benefits, allergies, and discusses the potential risks that...
Institute of Human Anatomy
How Skin Color Works
In this video, Jonathan from the Institute of Human Anatomy discuss the anatomy of skin pigmentation, and how it can vary across the body.
Curated Video
What is Diffusion? How Does it Work? What Factors Affect it? #7
This video covers - What diffusion is - How it works - How it applies to cell membranes - The 3 factors that affect the rate of diffusion (concentration gradient, temperature, surface area) Exam board specific info: KS3 All relevant to...
Curated Video
GCSE Biology - Cell Types and Cell Structure #2
In this video, we cover: - The different types of cell (Eukaryotic and Prokaryotic) - The differences and similarities between the structures of plant, animal, and bacterial cells - The sub-cellular structures / organelles you need to...
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
Planting Cells with DNA
Dr. Forrester describes how plants inherit traits of similar plants through DNA. She also discusses the experiments of Gregor Mendel by evaluating his studies on genetics.
Professor Dave Explains
Neutrophils: First Line of Defense
We've covered macrophages and dendritic cells, so let's move on to neutrophils. These are the most abundant white blood cells, and they act as the first line of defense in innate immunity. How do they form, and what do they do...
Curated Video
In Search of a Mechanism
Jay Gargus (UC Irvine) describes the importance of combining genetic and biophysiological principles to penetrate the true nature of disease.
Curated Video
Plant and Animal Cells
Plant and Animal Cells explores plant and animal cells by identifying important structural components and functions of each.
The Noted Anatomist
Resting membrane potential
This brief video tutorial briefly discusses resting membrane potential: 0:00. Introduction 0:53. What is a resting membrane potential? 1:33. How is a RMP measured? 4:12. How do we get a RMP at cell membranes? 9:04. How is the RMP...
The Noted Anatomist
Osmosis
This brief video tutorial briefly discusses osmosis, osmotic pressure, oncotic pressure and tonicity: 0:00. Introduction 0:13. Osmosis 1:31. Osmotic pressure 2:03. Oncotic pressure 3:34. Tonicity - 3:47. Isotonic solution - 4:15....
The Noted Anatomist
Membrane transport
This brief video tutorial briefly discusses cell membrane transport: 0:00. Introduction 0:15. Permeability of cell membrane 2:57. Diffusion - 3:08. Simple diffusion - 3:37. Facilitated diffusion (ion leak channels, voltage gated...
The Noted Anatomist
Body fluid compartments
This brief video tutorial briefly discusses body fluid compartments: 0:00. Introduction 0:33. Water contributes to 60% of our body mass 0:44. Water is found in intracellular compartments (2/3) and extracellular compartments (1/3) -...
Let's Tute
The Scary Truth About Plastic in Our Bloodstream
This video discusses the research that has found microplastics in human blood and the potential threats it poses to human health. It explains how plastic particles enter the human body and the harmful effects they can have on human...
Curated Video
Transport of Substances in and out of Cells: Diffusion, Osmosis, and Active Transport
In this video, the concept of transport of substances into and out of cells is explained. The different ways in which this process occurs are discussed, including diffusion, osmosis, and active transport. The importance of surface area...