Archive

Lever Systems: Bone-Muscle Relationships

How do our bones and muscles work? What makes movement possible? These are just a few questions you may find

Muscle Mechanics: Fascicle Arrangement

How do muscles work? Picture a hand-woven quilt full of strong fibers that have different shapes, sizes, and elasticities. The

Function and Classification of Bones

The human skeleton contains 206 known bones and because of its sheer scope, a classification system had to be invented.

Skeletal Cartilages

Along with its bones, the skeleton contains resilient cartilages, and although the major focus of this category is skeletal structure

Cell Junctions

Cell Junctions Although certain cell types – blood cells, and some immune system cells – move freely in the body,

The Plasma Membrane: Structure

Plasma Membrane The flexible plasma membrane defines the barrier of a cell by separating two of the body’s major fluid

Cell Theory: The Cellular Basis of Life

Cell Theory In the late 1600’s, an English scientist named Robert Hook was the first to observe plant cells with

The Lymphatic System

The lymphatic system returns fluids that have leaked from the blood (vascular system) back to the blood. Without it, our

Digestive System: Histology of the Alimentary Canal

The Alimentary Canal In a recent article titled “Digestive System Overview“, we discussed the six processes of digestion. We also

The Cardiovascular System: Blood Vessels

Blood Vessels are often compared to a system of pipes with liquid circulating in them, but this analogy is only