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 belong to a group of animals called scyphozoans. Jellyfish are not really fish (they lack a spine and many other adaptations found in real fish). Jellyfish are medusoid in shape and are free-floatingthey are not attached to anything. They swim around the ocean with their mouth and tentacles pointing down.