A tube-like gadget called a spacer can help kids or people with trouble breathing use an HFA more easily. Dry powder inhalers (DPIs) require you to breathe in quickly and deeply. That can make them hard to use during an asthma attack when you canât fully catch a deep breath.
Some jellyfish are clear and can look like a plastic bag in the water. Others are in vibrant colors such as pink, yellow, blue, and purple, and often are luminescent.
Like anemones and corals, the moon jellyfish is a cnidarian, which means it has a sac-like body with a mouth and tentacles. The moon jellyfish spends its time floating near the surface of the water, waiting for food to float by. It can be as small as 2 inches (5 cm) or grow over 1 foot wide (30 cm).The moon jelly is a carnivore and it feeds on zooplankton.â They consume foods that include small plankton organisms like mollusks, crustaceans, tunicate larvae, copepods, rotifers, nematodes, young polychaetes, protozoan's, diatoms and eggs (Aurelia aurita, Moon jellyfish).