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.
Jellyfish may also be called sea jellies, because they're not really fish! Jellyfish are marine invertebrates in the Phylum Cnidaria-which means that they are related to corals, sea anemones, sea pens and hydrozoans.ellyfish may also be called sea jellies, because they're not really fish! Jellyfish are marine invertebrates in the Phylum Cnidaria-which means that they are related to corals, sea anemones, sea pens and hydrozoans.