Mucous membrane and skin are the natural barriers that protect our body from infections. The other natural barriers that protect our body are earwax, tears, mucous, and stomach acid. The mucous membrane is a sheet of lining that communicates with the air present in most of the body parts like respiratory tract, mouth, stomach lining, urogenital, and digestive system . Mucous membrane protects the underlying connective tissues. It keeps the tissues moist, prevents them from drying, and keeps them healthy.

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Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

Chapter 21, Problem 12TYR

Summary Introduction

Introduction:

Mucous membrane and skin are the natural barriers that protect our body from infections. The other natural barriers that protect our body are earwax, tears, mucous, and stomach acid. The mucous membrane is a sheet of lining that communicates with the air present in most of the body parts like respiratory tract, mouth, stomach lining, urogenital, and digestive system. Mucous membrane protects the underlying connective tissues. It keeps the tissues moist, prevents them from drying, and keeps them healthy.

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Q8. A researcher wants to study the effectiveness of a pill intended to reduce stomach heartburn in pregnant women. The researcher chooses randomly 400 women to participate in this experiment for 9 months of their pregnancy period. They all need to have the same diet. The researcher designs two groups of 200 participants: One group take the real medication intended to reduce heartburn, while the other group take placebo medication. In this study what are: Independent variable: Dependent variable: Control variable: Experimental group: " Control group: If the participants do not know who is consuming the real pills and who is consuming the sugar pills. This study is It happens that 40% of the participants do not find the treatment helpful and drop out after 6 months. The researcher throws out the data from subjects that drop out. What type of bias is there in this study? If the company who makes the medication funds this research, what type of bias might exist in this research work?

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Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

Chapter 21, Problem 12TYR

Summary Introduction

Introduction:

Mucous membrane and skin are the natural barriers that protect our body from infections. The other natural barriers that protect our body are earwax, tears, mucous, and stomach acid. The mucous membrane is a sheet of lining that communicates with the air present in most of the body parts like respiratory tract, mouth, stomach lining, urogenital, and digestive system. Mucous membrane protects the underlying connective tissues. It keeps the tissues moist, prevents them from drying, and keeps them healthy.

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Answer 3

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Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

Chapter 21, Problem 12TYR

Summary Introduction

Introduction:

Mucous membrane and skin are the natural barriers that protect our body from infections. The other natural barriers that protect our body are earwax, tears, mucous, and stomach acid. The mucous membrane is a sheet of lining that communicates with the air present in most of the body parts like respiratory tract, mouth, stomach lining, urogenital, and digestive system. Mucous membrane protects the underlying connective tissues. It keeps the tissues moist, prevents them from drying, and keeps them healthy.

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Answer 4

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Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

Chapter 21, Problem 12TYR

Summary Introduction