Scolex and the Proglottids.
What do you mean by 'major' and by 'parts'? by major are you referring to size, importance to the survival of the animal or most consumed parts?
No. Spiders (including Tarantulas) have two main body parts -- the cephalothorax and the abdomen -- and eights legs. It is insects have three main body parts, as well as six legs.
the two major parts of science is probably life science and technology.
They have two body parts.
yes,they have two main body parts
There is no two parts. It is one body.
The skeletal system supports your body and its major parts are the patella the ulna and the clavicle.
The two major basic parts of plant are Root Shoot
transverse
ventral and dorsal body cavities are the major two for the body.
Neuroglial
No. Chromosomes are parts of cells, and sex cells are just one of many types of cells.