6.1 IB Digestive System

Bile is made by which digestive organ?

• Gallbladder

• Stomach

• Rectum

• Liver

Answer explanation

The liver makes bile and that is the end of it!

Nutrients from digested food are absorbed in which digestive organ?

• Small Intestine

• Stomach

• Large Intestine

• Gallbladder

Answer explanation

Virtually all absorption happens in the small intestines, with the exception of water.

Tags

NGSS.MS-LS1-7

Bile is stored in which secondary digestive organ?

• Stomach

• Liver

• Gall Bladder

• Pancreas

Answer explanation

That is why the gall bladder is attached to the liver.

Most chemical digestion takes place in which organ?

• Stomach

• Small intestine

• Rectum

• Esophagus

Answer explanation

Because the small intestine is where the majority of the enzymes are.

Movement of food via involuntary muscle contractions is known as...

• Peristalsis

• Excretion

• Squeezing

• Transpiration

Answer explanation

It's just one of the terms you have to know - sorry!

Number 5 is pointing to the...

• Liver

• Gallbladder

• Pancreas

• Stomach

Answer explanation

This is just one you have to be able to recognize - sorry!

Number 3 is pointing to the...

• Small intestine

• Rectum

• Large intestine

• Stomach

Answer explanation

The large intestine is larger in diameter and is 'bumpy'.

The enzyme found in saliva and the small intestine that breaks down carbohydrates

• Amylase

• Protease

• Lipase

• Lactase

Answer explanation

Salivary amylase to be precise!

The enzyme secreted by the pancreas that breaks down fats and oils

• Amylase

• Protease

• Lipase

• Lactase

Answer explanation

The hint is in the name.... lipids are broken down by lipases.

The enzyme secreted by the pancreas that breaks down proteins

• Amylase

• Endopeptidase

• Lipase

• Pancrease

Answer explanation

The hint is in the name, as peptidases break down peptide bonds between amino acids.