Digestive and Excretory Systems

Front

What is the function of the digestive system?

Back

The digestive system breaks down food into nutrients that the body can use for energy, growth, and cell repair.

Front

What is the role of enzymes in digestion?

Back

Enzymes are proteins that speed up chemical reactions, helping to break down food into smaller molecules.

Front

What is protease?

Back

Protease is an enzyme that breaks down proteins into amino acids.

Front

What happens in the small intestine?

Back

Nutrients from digested food are absorbed into the bloodstream.

Front

What is the excretory system responsible for?

Back

The excretory system removes waste products from the body.

Front

What are the main organs of the excretory system?

Back

The main organs include the kidneys, ureters, bladder, and urethra.

Front

What is urea?

Back

Urea is a waste product formed in the liver from the breakdown of proteins, and it is excreted in urine.

Front

How do the kidneys function?

Back

The kidneys filter blood to remove waste and excess substances, producing urine.

Front

What is the role of the bladder?

Back

The bladder stores urine until it is ready to be excreted from the body.

Front

What is mechanical digestion?

Back

Mechanical digestion is the physical process of breaking down food into smaller pieces, such as chewing.