They are called ENZYMES.
Enzymes speed up the rate at which the digestion process occur so that the nutrients in the food can be absorbed by the body and used for the development of the body.
Answer:
I believe it's an organ
Explanation:
Organs have atleast two or more tissue types and preform specific sets of functions for the body.
You can tell if asthma is related to exercise
(i) If a person has a coughing and shortness of breath. This feels a few minutes after an activity
(ii) You feel constricted. When on the exercise you feel like you can’t get enough air in your lungs.
(iii) A person feels fatigue after training instead of being energized.
(iv) If a person lives in a dry environment the breath in air that is divided and colder than the other parts of your body.
Well considering birds follow humane rules, their selection and environment around them being thriving could effect their songs in a positive way. While a bird with a low selection of environmental stuff around them would effect their songs in a bad way giving off a more down manner.
The hydrosphere is all water on earth, the lithosphere is the crust and upper mantle, the biosphere is all life on earth, and the atmosphere is all the gases surrounding the earth.