Mosquitoes , aphids and butterflies are examples of tubular mouth parts.
A round shape.
A follicle is the tubelike structure from which hair grows.
tubular
tubelike streucture
Honeybees have a proboscis.
Yes, used for sucking fluids.
Smooth Muscles line the walls of tubelike structure such as the gastrointestinal tract, the urinary system, the blood vessels and the bronchi of the lungs.
Hair Follicle
Esophagus
proboscis
vascular plants
A katydid has a mouthpiece known as a "chewing mouthpart." This type of mouthpart is adapted for biting and grinding plant material, as katydids are primarily herbivorous. Their mouthparts consist of mandibles that enable them to effectively consume leaves and other vegetation.