Introduction to Cnidaria Jellyfish, corals, and other stingers: Cnidarians are incredibly diverse in form, as evidenced by colonial siphonophores, massive medusae and corals, feathery hydroids, and box jellies with complex eyes. Yet, these diverse animals are all armed with stinging cells called nematocysts.
In fact, regular physical activity can help you prevent or manage a wide range of health problems and concerns, including stroke, metabolic syndrome, type 2 diabetes, depression, certain types of cancer, arthritis and falls.o. 1: Exercise controls weight. Exercise can help prevent excess weight gain or help maintain weight loss. When you engage in physical activity, you burn calories. The more intense the activity, the more calories you burn.
6 Steps to Reducing Falls. 1  1. Enlist their support in taking simple steps to stay safe. 2  2. Discuss their current health conditions. 3  3. Ask about their last eye checkup. 4  4. Notice if theyâre holding onto walls, furniture, or someone else when walking or if they appear to have difficulty walking or arising from a chair.