It has to be C
Because a bolus is “small round mass of substance especially of chilled food at the moment of swallowing”
A chyme is “ The pulpy acidic fluid which passes from the stomach to the small intestine, consisting of gastric juices and partly digested food”
And it cant be liquid because it is food, not a drink/ also liquid, because that would come out as urine.
False because even though it can prevent a person from feeling pain , it causes side effects such as impaired learning and memory and lung damage from smoke.
