ACSBL119
When a pathogen enters a host, it causes physical or chemical changes (for example, the introduction of foreign chemicals via the surface of the pathogen, or the production of toxins) in the cells or tissues; these changes stimulate the host immune r …
ACSBL119 | Content Descriptions | Unit 4 | Biology | Science | Senior secondary curriculum
ACSBL113
Hormones alter the metabolism of target cells, tissues or organs by increasing or decreasing their activity; in animals, most hormones are produced in endocrine glands as a result of nervous or chemical stimulation, and travel via the circulatory or lymph …
ACSBL113 | Content Descriptions | Unit 4 | Biology | Science | Senior secondary curriculum