Magic School Bus- Inside Ralphie

You usually have a _______________ when you are sick.

• blood

• fever

• antibodies

• body

The __________________carries blood throughout the body.

• antibodies

• bloodstream

• germs

• platelets

White blood cells use _________________ to mark bacteria and then destroy it.

• bacteria

• antibodies

• infections

• clear

Bacteria was making Ralphie sick. Bacteria are ______________.

• blood

• antiobodies

• white blood cells

• germs

______________ help the body heal scrapes and cuts.

• Platelets

• blood vessels

• clear

• multiply

White blood cells can get rid of ________________.

• antibodies

• bacteria

• bloodstream

• platelets

Bacteria can __________ quickly.

• clear

• infection

• multiply

• white

Tags

NGSS.3-LS1-1