Answer:
Option (4).
Explanation:
Respiratory system may be defined as the system involves in the exchange of gases between the tissue, lungs and the outside environment. The respiratory system involves nose, mouth, larynx, trachea, lungs, brochi, alevoli and alveolar ducts.
The oxygen is inhaled in the body and carbon dioxide is exhaled out from the body. The oxygen is transferred into the blood stream by binding of oxygen with hemoglobin. The oxygen is diffused in to body due to the partial pressure difference of oxygen and carbon dioxide.
Thus, the correct answer is option (4).
Answer:
the diagnostic takes
approximately 15-25 minutes to complete and is about 30 questions in length.
Answer: a. True
Explanation:
This is an important definition in health and safety courses.
Answer:
If cellular respiration and photosynthesis stops performing their role in carbon cycle all the plants and animals will end up dying. This is because they are dependent on the carbon cycle for survival.
Explanation:
Answer:
B. Experiments with different magnification lenses showed that germs were real and could be observed.
Explanation:
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