HBS EOC review

The main job of the respiratory system is

• to deliver blood to all parts of the body
• to exchange oxygen and carbon dioxide
• to control growth
• to break down food

The main job of the circulatory system is to

• transfer electrical signals
• provide structure
• use the diaphragm to breath
• deliver oxygen and nutrients to all parts of the body and transfer wastes

The main job of the digestive system is to

• remove toxins from the blood
• break down food into molecules that can be used for energy
• control growth
• fight pathogens

The main job of the nervous system is to

• transfer messages with hormones
• provide structure and support for the body
• fight infection
• control the body with the nerves and the brain

The main job of the immune system is to

• control growth
• exchange oxygen and carbon dioxide
• regulate temperature
• fight pathogens

The main job of the excretory system is to

• remove toxins from the blood to create urine
• control growth
• provide movement
• break down food into molecules that provide energy

The job of the heart is to

• pump blood
• Exchange oxygen and carbon dioxide
• remove wastes
• create red blood cells

Capillaries

• Exchange oxygen and carbon dioxide
• connect arteries to veins
• are all over the body
• all of the above

Smooth muscles

• Are the muscles that allow us to walk
• Are the muscles in our heart
• Are the muscles that work without thinking about them
• work closely with bones

The endocrine system controls your body

• with electrical signals sent from the brain
• with hormones sent from glands
• with antibodies in your blood
• with red blood cells from your bone marrow