Roger visited his grandfather who lives on a farm. While he was there, he helped his grandfather move hay out of the barn. As Roger worked in the barn he began sneezing. Which system of the body most likely caused Roger to sneeze?

Pick the answer from these options

OPTIONS:
- circulatory
- excretory
- digestive
- immune
immune
Roger besökte sin farfar som bor på en gård. Medan han var där hjälpte han sin farfar att flytta hö ur ladan. När Roger arbetade i ladan började han nysa. Vilket system i kroppen fick Roger att nysa? Välj svaret från dessa alternativ Alternativ: - cirkulation - exkretorisk - matsmältning - immun
Roger visited his grandfather who lives on a farm. While there, he helped his grandfather move hay out of the barn. When Roger worked in the barn, he began sneezing. What system did Roger sneeze in his body? Choose the answer from these options Options: -circulatory -excretoric -digestive - immune
immun
immune