Hope this helps! :)
The serous membranes are: Peritoneum — the peritoneal cavity is found within the abdominal & pelvic body cavities. Connecting peritoneum forms: — mesentery — ligament. Pleura — two pleural cavities (separated by mediastinum) are found within the thoracic cavity.
Answer:
No
Explanation:
It is not a solid and it is not inorganic.
Answer:
To withdraw ATP from food
Explanation:
Answer:
An higher being, or God created them.
Explanation:
This may not be the exact answer you are looking for, but lots of people looked to higher beings to make sense of the world before science.