The heart is located near the center of the chest, between the lungs, and is tilted slightly to the left. This muscular organ has four sections, called "chambers," that are made of special tissue ...

Objective To conduct a systematic review investigating the normal age-related changes in lung function in adults without known lung disease. Design Systematic review. Data sources MEDLINE, Embase and ...

Functions of the pancreas. The pancreas has digestive and hormonal functions: The enzymes secreted by the exocrine gland in the pancreas help break down carbohydrates, fats, proteins, and acids in the ...

A cow’s salivary glands can make and add 50 to 80 quarts of saliva to the rumen daily. Saliva has several functions in cows. It provides liquid for the microbes. It recirculates nitrogen and minerals.