The FDA and the CDC, along with state and local officials, investigate a Foodborne
illness Outbreak linked to food served at a national restaurant chain. Multiple
customers across several states are hospitalized and diagnosed with an E. coli
bacterial infection.
What type of external hazard was found in this restaurant's food?
O Animal
Physical
Accidental
Biological
Hurr

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.

Match each symbol with its description.

What are potential sources of error in marta’s experiment