24. A person with a dairy intolerance is likely to O develop hives immediately after ingesting yogurt.
O have trouble breathing after consuming a milk shake.
a
O complain about an upset stomach after eating ice cream.
O experience life threatening symptoms after ingesting cheese.

3rd choice

Explanation:

complain about an upset stomach after eating ice cream. people with lactose intolerance cannot digest lactose which is found in most dairy products. it cause a wide variety of issues through the digestive tract.

answer(b) keep oxygenated and deoxygenated blood separate;