Grade 8 Unit 2: Topics 6-7 Review

This body system regulates blood and removes waste fluids:

• circulatory

• digestive

• respiratory

• excretory

• nervous

This body system breaks food into molecules that can be used by the rest of the body:

• circulatory

• digestive

• respiratory

• excretory

• nervous

This body system exchanges oxygen and carbon dioxide:

• circulatory

• digestive

• respiratory

• excretory

• nervous

This body system transports food, gases, and water throughout the body:

• circulatory

• digestive

• respiratory

• excretory

• nervous

This body system co-ordinates your body's responses to stimuli:

• circulatory

• digestive

• respiratory

• excretory

• nervous

The circulatory and the respiratory system connect at the:

• villi

• alveoli

• cilia

• bronchi

The circulatory and the digestive system connect at the:

• villi

• alveoli

• cilia

• bronchi

These cells cause your blood to clot at the site of a wound to prevent blood loss:

• platelets

• red blood cells

• white blood cells

• plasma

These cells defend your body against infection and disease:

• platelets

• red blood cells

• white blood cells

• plasma

These cells contain hemoglobin which helps to carry oxygen:

• platelets

• red blood cells

• white blood cells

• plasma