In this video Dr Matt describes the structure of the cell membrane (including protein channels, phospholipids, cholesterol and glycoproteins) based on the fluid mosaic phospholipid bilayer model.

In this video Dr. Mike predicts the direction of movement of materials across cell membranes based on factors such as concentration, physical and chemical nature of the materials

In this video, Dr. Mike describes how the cell membrane maintains relatively stable internal conditions via the passive movement (diffusion, osmosis) of some substances along a concentration gradient.

In this video, Dr. Mike explains how the cell membrane maintains relatively stable internal conditions via the process of active transport of a named substance against a concentration gradient.

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In this video, Dr Mike explains how we tightly regulate calcium levels in our blood with parathyroid hormone and Vitamin D.

In this video, Dr Mike discusses the cells, gels (ground substance), fibres, and minerals within bony tissue. He also looks at the anatomy of a long bone and discusses the importance of each part.

In this video, Dr Mike outlines the type of cells, gels (ground substance) and fibres that make up cartilage. He also explains the differences between the three cartilage types: Hyaline, Elastic, and Fibrocartilage.