extracorporeal
Extracorporeal
Bleeding occurring outside the body.
medial
Changes or events occurring outside the body are 'stimuli'; the cells that monitor them are known as 'receptors'.
It is situated at the abdomen
tinea
The medical terminology combining form "exo-" means outside or external, indicating a condition or process occurring outside of the body or organs.
A grasshopper has an exoskeleton, meaning having its skeleton outside the body.
The medical term you are looking for is "posterior." This term refers to the back side of the body or something positioned behind a particular structure.
They are warmblooded (meaning they generate their own body heat).
The heart is situated on the central side of the thoracic cavity
That is correct. A tarantula is an invertebrate, meaning it has no backbone and has an exoskeleton, meaning the support system for its body is on the outside of its body. The legs are jointed - a characteristic of an arthropod.