The stomach
The stomach
A sac filled with digestive chemicals would likely belong to an organism with a type of digestive system where digestion occurs externally. Examples include certain insects like beetles and spiders that use their digestive sacs to break down and pre-digest food before consuming it. The chemicals in the sac help to breakdown food particles into smaller, more digestible components.
A digestive sac not related to other endomembrane structures
has only a single openning
A fluid-filled sac that surrounds an embryo is called an amniotic sac. This sac contains amniotic fluid, which provides protection and cushioning for the developing embryo.
Amniotic sac
The fluid-filled sac surrounding the developing embryo or fetus is called the amniotic sac. It is filled with amniotic fluid that protects and cushions the fetus, helping to regulate its temperature and provide room for movement.
If a membrane-bound sac filled with large molecules of oil is suspended in a beaker of water, water will start to enter the sac. The sac will then swell.
one
The stomach, the primary organ in digestion. It contains acids and other digestive enzymes which break down food chemically. The stomach also breaks down food mechanically.
A closed sac with fluid in it
A lysosome is a sac of digestive enzymes, used to break down monosaccharaides and disaccharides. Lysosomes are found in animal cells and are also called suicide sacs.