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 are a group animals within the phylum Cnidaria. Cnidaria is the phylum that contains stinging animals which use nematocysts to capture pretty. There are around 10,000 species in Cnidaria, nearly all living in marine waters. These animals morphologically develop into a sack within a sack.