How do the walls of the atria&ventricles differ?

Answer The heart's different chambers use different kinds of muscle. The ventricles contain a thick layer of cardiac muscle, while the atria contain a layer of muscle called pectinate muscle.The HeartThe ... Read More »

Top Q&A For: How do the walls of the atria&ventricles differ

Which is better steel swimming pool walls or polymer walls?

It depends where you are building in the world. Steel is ready available every where but has the diadvantage of rusting over time if water gets to it. This can be slowed by painting with an industr... Read More »

How to Compare Solid Concrete Walls & Block Walls?

All concrete is made of cement, water and rock. But not all concrete is the same. The biggest difference between one type of concrete and another is in the rock, sand or crushed stone called aggreg... Read More »

Block Walls Vs. Precast Concrete Walls?

All concrete is made of cement, water and aggregate, rocks varying in size from sand to gravel. The cement and water make a paste that bonds the aggregates into a solid material. Both concrete bloc... Read More »

How do atoms&molecules differ?

Matter can be broken down into incrementally smaller and smaller pieces. Two of the smallest particles are atoms and molecules, and they have a very specific relationship to each other.Atoms Define... Read More »