<span>How many openings are in the digestive system of flatworms? Answer: 1
Flatworms digestive system is called 2-way which mean the same opening is used for eat and removing waste. That's why it only has one opening. Human system is one way since we eat from the mouth and remove waste from the anus.</span>
The answer would be urinary retention. Urinary retention is
the incapability to vacant the bladder totally. Urinary retention can
be severe or long-lasting. Acute urinary retention, a possibly dangerous
medical disorder, necessitates instant emergency action. Acute urinary
retention can cause countless uneasiness or discomfort.
What exercise? Post a picture of it.
Answer:Lipids perform three primary biological functions within the body: they serve as structural components of cell membranes, function as energy storehouses, and function as important signaling molecules. The three main types of lipids are triacylglycerols (also called triglycerides), phospholipids, and sterols.
triglycerides- fat
phospholipids- plant and animal cell membrane
sterols- plant and animal cell membrane's microorganism.
Explanation: