- Life Sciences
an organ system that passes nutrients, gases, hormones, blood cells, etc. to and from cells in the body to help fight diseases, stabilise body temperature and pH, and to maintain homeostasis.
irreversible disease where the alveoli are damaged, resulting in breathing difficulties.
an informal term for any living species which appears to be the same as a species otherwise only...
specialised heart muscle tissue between the right atrium and right ventricle which conducts the...