yes they have muscles but no bones
Roundworms are nematodes. They have muscles to help them move. They actually have two openings. They have a mouth, complete digestive tract, and anus for excreting waste.
diaphragm
an organ is a system that helps your bodily functions. a muscle helps you work and move.
an organ is a system that helps your bodily functions. a muscle helps you work and move.
it is the lower muscle of the eyeball. Helps move the eyeball.
"They (roundworms) lack circular muscles but have lengthwise muscles. As one muscle contracts, another muscle relaxes. This alternating contraction and relaxation of muscles causes roundworms to move in a thrashing fashion." Found in the Glencoe McGraw Hill "Biology: Dinamics of Life" textbook, pg. 711
Biceps/triceps.
muscle, Nerve, excretory, and reproductive organs
so that it helps the legs move better
Gingerceps
deltoid, pectoralis, trapz
The muscle is known as the diaphragm.