Basic Biology? -

1. Red blood cells ________________. transport respiratory gases combat bacterial infection are called leukocytes help blood to clot 2. In the human respiratory system, the actual exchange of oxygen and carbon dioxide molecules occurs in ___________ the bronchioles the trachea the alveoli the larynx 3. When stomach fluids irritate the lower esophagus the common digestive ailment that results is called __________ peptic ulcer hypertension iron-deficiency anemia acid reflux 4. Most of the absorption of nutrients from the food we eat occurs in the ___________. small intestine stomach large intestine esophagus 5. Defending the body against bacterial infection and assault by other foreign substances is the function of ___________. platelets plasma erythrocytes white blood cells 6. A respiratory disease caused by destruction of alveoli and the formation of scar tissue is called _______ asthma emphysema bronchitis lung cancer

transport respiratory gases alveoli acid reflux small intestine white blood cells emphysema

1. Transport respiratory gases. 2. The alveoli. 3. Acid reflux. 4. Small intestine. 5. White blood cells. 6. Emphysema.

1.transport respiratory gases 2.the alveoli 3.peptic ulcer 4.small intestine 5.white blood cells 6.emphysema