Digestive system

Front

Which parts of the diagram shows the small and large intestine? Options: A~ small intestine, E~ large intestine; D~ small intestine, E~ large intestine; C~ large intestine, B~ small intestine; A~ large intestine, C~ small intestine; E~ small intestine, D~ large intestine

Back

E~ small intestine D~ large intestine

Answer explanation

The correct parts of the diagram are E for the small intestine and D for the large intestine, as they accurately represent the respective sections of the digestive system.

Front

Where does digestion begin?

Back

in the mouth

Answer explanation

Digestion begins in the mouth, where food is mechanically broken down by chewing and mixed with saliva, which contains enzymes that start the chemical digestion process.

Front

What breaks food into smaller pieces?

Back

teeth

Answer explanation

The teeth are responsible for breaking food into smaller pieces through chewing. While the mouth and tongue assist in the process, it is the teeth that perform the primary function of mechanical digestion.

Front

Name the muscular tube that pushes food from the mouth to the stomach?

Back

oesophagus

Answer explanation

The oesophagus is the muscular tube that connects the mouth to the stomach, pushing food down through peristalsis. The tongue helps in swallowing, but it is the oesophagus that transports food to the stomach.

Front

Identify the marked part of the digestive system: Small Intestine, Large intestine, Stomach, Liver

Back

Stomach

Answer explanation

The marked part of the digestive system is the stomach, which is responsible for breaking down food using acids and enzymes, unlike the small intestine, large intestine, or liver, which have different functions.

Front

Which organ makes bile?

Back

Liver

Answer explanation

The liver is the organ responsible for producing bile, which aids in digestion and fat absorption. The gallbladder stores bile, while the pancreas and appendix do not produce bile.

Front

Why do we eat food?

Back

To get nutrients and energy

Answer explanation

We eat food primarily to get nutrients and energy, which are essential for our body's functions. While keeping our stomachs full is a result, the main purpose is to provide the necessary components for growth and energy.

Front

The muscular organ in the body where chemical and mechanical digestion take place is called _____________.

Back

stomach

Answer explanation

The stomach is the muscular organ where both chemical and mechanical digestion occur. It breaks down food using acids and enzymes, making it the correct answer compared to the pancreas, liver, and esophagus.

Front

What is the function of teeth and tongue in the digestive system?

Back

chewing

Answer explanation

The primary function of teeth and tongue in the digestive system is chewing. Teeth break down food into smaller pieces, while the tongue helps mix food with saliva, facilitating the chewing process.

Front

Which of the following organs help in tasting the food? teeth, tongue, stomach, Large intestine

Back

tongue

Answer explanation

The tongue is the primary organ responsible for tasting food. It contains taste buds that detect different flavors, while teeth, stomach, and large intestine do not play a role in the tasting process.