Our stomach contains ___________ which kills harmful bacteria that we engulf along with food.

saliva

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cilia

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mucus

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hydrochloric acid

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Solution

The correct option is D hydrochloric acid
hydrochloric acid

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(a) mitochondria (b) antibiotics

Q. Question 5
The acid present in the stomach

(a) Kills the harmful bacteria that may enter along with the food.
(b) Protects the stomach lining from harmful substances.
(c) Digests starch into simpler sugars.
(d) Makes the medium alkaline.

If the stomach can secrete acids which can kill bacteria, then why must we make sure there isn't harmful bacteria in the food we eat?

A wide range of beneficial bacteria thrive in our intestines. When we eat a variety of healthy foods, the variety of beneficial bacteria also increases. How do they help in digestion? What happens to these bacteria when we overload our digestive system with unhealthy and high-calorie food?

We know how a solid food gets digested in our stomach. What happens to the water we drink? Is the drinking of water also called digestion in our tummy?!

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Our stomach contains ___________ which kills harmful bacteria that we engulf along with food.

The correct option is D hydrochloric acidhydrochloric acid

The correct option is D hydrochloric acid
hydrochloric acid