ribosomes
The structure within an animal cell that recycles worn-out cell parts is the lysosome. It is found in the cytoplasm of the cell.
Other words for internal organs: vitals, entrails, insides. The term for the Internal Organs is Viscer/o-
ANATOMY
The parts of an animal cell are called organelles because they are the organs of a animal cell.
The tube like part of the mouth of all Lepidoptera (butterflies) is called probiscus. It is specifically designed to allow the animal to drink nectar from deep within the structure of a flower.
an ant
The space within a tube-like structure is called a lumen. Parts of the body with lumens include veins and arteries.
The U.S. *is* a country. The parts within it are called states.
Intersex is an animal that is neither male or female. An animal that has both male and female parts is called a hermaphrodite.
Mitochondria are not cells, they are parts of cells, belonging to a category called organelles. Animal cells have them. They produce energy.
It was an animal called the Quagga. It is now extinct.
Fossilization