A spherical shell that is usually made of a biodegradable or resorbable plastic polymer, that has a very small diameter usually in the micrometer or nanometer range, and that is often filled with a substance (as a drug or antibody) for release as the shell is degraded...
Life, as we know it today, is presumed to have started in the sea and many of them were likely eukaryotic animal-like or..
This tutorial elucidates body temperature regulation. Know the details here to learn how the body sets the body temperat..
DNA is a double helix structure comprised of nucleotides. A nucleotide, in turn, is made up of phosphate molecule, deoxy..
This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..
Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..
For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..