Immune system

 Like all other body systems, the immune system helps the body maintain homeostasis.  Which statement best describes how the immune system does this?  

• it protects other organs and tissues from infection and disease
• it breaks down food to provide cells with nutrients
• it gathers information through the senses and controls all other body systems
•  it transports oxygen and carbon dioxide

Tags

NGSS.HS-LS1-3

The picture below illustrates one internal part of the body’s immune system. What process is illustrated in the picture?  

• a skin cell destroying germs.
• inflammation near an opened wound
• a white blood cell destroying pathogens
• mucus in the lungs destroying pathogens

Tags

NGSS.MS-LS1-3

What do scientists call bacteria and viruses that can make people sick?  

• diseases
• vaccines
• antibodies
• pathogens

Which answer best describes how infectious diseases get transmitted (passed on)?  

• people can sneeze or cough and pass disease on through the air
• drinking water can be contaminated with diseases
• objects such as doorknobs and towels can be contaminated by disease
• all of the above answers are ways that diseases are transmitted

Erick wants to avoid exposure to infectious disease as much as possible.  Which strategy can best help him do this?  

• eat a balanced diet
• wash his hands regularly
• wear sunscreen outside
• exercise several days a week

What is the function of antibodies within the immune system?

• Antibodies kill off any antigen that enters the body.

• Antibodies are only made when you are given a vaccination for specific antigens.

• Antibodies bind to specific antigens to flag for destruction.

• Antibodies are part of an external defense mechanism.

What organelle differentiate the plant cell from the animal cell ?

• ribosome

• Cell Wall

• nucleus

• mitochondria

Tags

NGSS.MS-LS4-2

Irregularly shaped cell fragments that help clot blood

• Platelets

• Lymph

• Plasma

• White Blood Cells

Tags

NGSS.MS-LS1-3

Contains hemoglobin, supplies body with oxygen

• Plasma

• Platelet

• White Blood Cell

• Red Blood Cell

Tags

NGSS.MS-LS1-3

Fight bacteria and viruses by entering infected tissue, destroying bacteria/viruses and absorb dead blood cells

• White Blood Cells

• Red Blood Cells

• Platelets

• Plasma

Tags

NGSS.MS-LS1-3