There are called Amino Acids.
Answer:
the food chain
Explanation:
every species in the ecosystem eats or gets eaten
<span>Sputum membranes tests are used to test the lungs, trachea and bronchial canals for pathogens that can have an adverse affect on the lungs. These pathogens can cause infections that can have serious effects on your breathing and all over health.</span>
It can be inferred that muscle cells in athletes produce more ATP than muscle cells of those who live sedentary lifestyles.