Answer:
Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body.
Explanation:
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Answer:
difference between bacteria and decomposer
Explanation:
Decomposers like bacteria and fungi don't eat their food, they decompose it externally. Also, decomposers consume nutrients on a molecular level while detritivores eat large amount of decaying material and excrete nutrients. ... In addition to fungi, bacteria are also decomposer organisms.
 
        
                    
             
        
        
        
Sex differences are biological and gender differences are culturally prescribed. Sex differences refers to the difference in behavior and mental functions between male and female as a result of biological difference while gender differences refers to the differences that occur between male and female as a result of cultural factors.
        
             
        
        
        
Some examples of important nonliving things in an ecosystem are sunlight, temperature, water, air, wind, rocks, and soil. Living things grow, change, produce waste, reproduce, and die.
 
        
                    
             
        
        
        
In a desert, the climate is “hot” and “dry”.