Year 7 biology summary

What is the definition for digestion?

• Breaking down food into smaller nutrients
• Getting rid of waste products
• Getting food into our bodies
• Getting nutrients into our bloodstream, so that our cells can use them

What is the definition for absorption?

• Breaking down food into smaller nutrients
• Getting rid of waste products
• Getting food into our bodies
• Getting nutrients into our bloodstream, so that our cells can use them

Where does the digestion of starch begin?

• esophagus
• small intestine
• stomach
• mouth

Where are nutrients absorbed into the blood?

• esophagus
• small intestine
• stomach
• mouth

The organ where food is mashed and then broken down by acids?

• esophagus
• small intestine
• stomach
• mouth

Where extra water and minerals are absorbed through the cells of this organ ...

• liver
• small intestine
• stomach
• large intestine

Food broken down by physical processes is called

• mechanical digestion
• chemical digestion

Food broken down by chemicals is called

• mechanical digestion
• chemical digestion

What is the correct order in which food passes through the digestive system?

• mouth>stomach>large intestine>small intestine
• esophagus>sm intestine>stomach>lg intestine
• stomach>sm intestine>esophagus>mouth
• mouth>esophagus>stomach>sm intestine>lg intestine

What is the main organ of the circulatory system?

• small intestine

• bone

• blood vessels

• heart