Cells are the smallest unit of life. Cells in multicellular plants and animals are arranged into tissues, organs and organ systems. Cells. Tissues. Organs. Organ systems. And the organism itself.

The immune system is the body’s tool for preventing or limiting infection. Its complex network of cells, organs, proteins, and tissues enables the immune system to defend the body from pathogens.

Nanoscale structure-property relationships of biological materials, genetic and molecular origins of soft joint tissue diseases, biomaterials under extreme conditions, coupling between ...

Michigan Department of Health and Human Services spokesperson Lynn Sutfin said there is no threat to the general public.

Both usually produce few young at one time, and ensure their survival by caring for them. Unlike mammals, birds lay eggs and initial stages of development occur outside the mother’s body. Reproductive ...

On the island, some 53% of residents have registered a decision on the NHS Organ Donor Register. The move to an opt-out ...