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.
3. Walking Boosts Stress-Busting Endorphins. Like any other cardiovascular exercise, brisk walking boosts endorphins, which can reduce stress hormones and alleviate mild depression. Regular exercise, through the production of feel-good endorphins, can improve mood and self-esteem, according to WebMD.