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 have a complex life cycle throughout which they take on a number of different forms. The dominant (and most familiar form) of jellyfish is the medusa. But there are several other forms including planula, polyp, and ephyra forms. Jellyfish are carnivores.They feed on zooplankton, small fish, and invertebrates.ellyfish have a complex life cycle throughout which they take on a number of different forms. The dominant (and most familiar form) of jellyfish is the medusa. But there are several other forms including planula, polyp, and ephyra forms. Jellyfish are carnivores. They feed on zooplankton, small fish, and invertebrates.