Human Body Systems

What is the function of the heart?

• to exchange gases

• to remove waste materials from the body

• to produce red blood cells

• to pump blood throughout the body

Which two systems work together to provide cells with oxygen and remove carbon dioxide from them?

• nervous and excretory

• nervous and circulatory

• respiratory and excretory

• respiratory and circulatory

How many chambers are there in the heart?

• two

• three

• four

• five

What do antibodies do?

• remove worn out red blood cells

• attach to and neutralize pathogens

• engulf unknown pathogens and break them down

• make us sick

What are lymph nodes?

• areas with large amounts of cells that make antibodies

• they remove worn out red blood cells

• they attach to and neutralize pathogens

• they engulf unknown pathogens and break them down

Tags

NGSS.MS-LS1-3

What do phagocytes do?

• remove worn out red blood cells

• attach to and neutralize pathogens

• engulf unknown pathogens and break them down

• make antibodies

What does the spleen do?

• removes worn out blood cells

• attaches to and neutralizes pathogens

• engulfs unknown pathogens and breaks them down

• makes antibodies

Tags

NGSS.MS-LS1-3

What is the general term for bacteria and viruses that make us sick?

• antibodies

• pathogens

• T-cells

• leukocytes

If a harmful bacteria or virus invades an organism, which cells produce antibodies that fight infection?

• white blood cells

• red blood cells

• platelets

• epidermal cells

Which organ systems work together to supply nutrients and oxygen to the brain?

• skeletal, immune, excretory

• muscular, endocrine, reproductive

• nervous, lymphatic, skeletal

• digestive, respiratory, circulatory