Skelatal muscles. there are three types of muscles Smooth (linining the digestive system) Cardiac (your heart) and Skelatal (triceps biceps pecs)
Yes Yes it does All insects and arachnids are invertebrates and have exoskeletons.
Smooth muscles are found here.
Methyl salicylate
A cheetah has an endoskeleton, which is an internal skeleton.
The boney kind.
A spider has an exoskeleton, which is a hard external covering that provides structure and support to its body. This exoskeleton is made of a tough material called chitin, which protects the spider's internal organs and provides attachment points for muscles.
internal
This is called an exoskeleton.
anthipod
a spine?
exoskeleton
Exoskeleton.