𝐑𝐞𝐚𝐝 𝐚𝐧𝐝 𝐜𝐡𝐨𝐨𝐬𝐞 𝐭𝐡𝐞 𝐫𝐢𝐠𝐡𝐭 𝐨𝐩𝐭𝐢𝐨𝐧𝐬.

1) John's stomach is ... again because he ate undercooked food.
2) A\(n\) ... is usually caused by acids.

3) Danny is having a\(n\) ... next week to check for cancer in his digestive system.
4) The doctor said Jeremy needs to have surgery immediately because he has ... .

5) The ... is a very important part of the large intestine.