What makes the excretory system unique? it produces oxygen to be released by the lungs. it assists with movement of blood throughout the body. it regulates communication between the lungs and the arteries. it uses organs from other systems and from all parts of the body.

It uses organs from other systems and from all part of the body.

Explanation:

The second part to this question is "homeostasis"

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

not only is it colder, it also becomes darker, less salty, and more dense.