Professor Dave Explains
Types of Tissue Part 3: Muscle Tissue
With epithelial tissue and connective tissue down, it's time to learn about the third type of tissue, and that's muscle tissue. This makes up all the muscles in our bodies, and it comes in three types. Those are skeletal muscle, cardiac...
Professor Dave Explains
The Circulatory System Part 1: The Heart
The heart! What a symbol of love and affection. But does emotional processing really take place in the heart? Sorry romantics, but no. That's the brain's business. But the heart is still miraculous. It is a completely natural pump whose...
Khan Academy
Khan Academy: Heart Muscle Contraction: Heart Cells Up Close!
Get a close-up view of the cardiac cells and see what makes them different from the other cells in this video lecture. Understand the parts of the heart cells that make it unique and able to carry out contractions. [14:00]
Khan Academy
Khan Academy: Synapse Structure
Synapses are where neurons contact and communicate with their target cells. This video explains the structure and types of synapses using diagrams. [6:50]