Digestive System

The part of the digestive system which is highlighted represents:

• Esophagus

• Small intestine

• Stomach

• Trachea

What happens when the food goes to the small intestine?

• nutrients gets into the blood
• the food keeps on going
• nothing

Tags

NGSS.MS-LS1-7

Saliva contains this enzyme to start the digestive process.

• spit
• amylase
• hydrochloric acid
• sodium bicarbonate

Tags

NGSS.MS-LS1-7

Chewing food is an example of _____________.

• chemical digestion
• mechanical digestion

Peristalsis refers to

• one of the digestive organs
• the action of the stomach
• heart rate increasing
• smooth muscles moving food through the digestive system

Which of the following is the correct order of the levels of organization in the human body from simplest to most complex?

• organ systems, tissues, organs, cells

• organ systems, organs, cells, tissues

• cells, tissue, organs, organ systems

• tissue, cells, organ systems, organs

What molecule makes up enzymes?

• protein

• carbohydrates

• fats

• nucleic acids

Homeostasis can best be described as...

• the ability of an organism to maintain internal stability

• a group of tissues that work together to perform a complex function

• the digestion of food

• the flow of blood through the circulatory system

Choose the word that matches the following definition: a type carbohydrate that we cannot digest.

• Glucose

• Protein

• Fat

• Fiber

What is the function of the digestive system?

• to remove wastes from the body's cells.

• to move oxygen rich blood to all the body's cells.

• to release ATP.

• to break down food into smaller pieces that can be utilized by the cells of the body.