The answer is plants. Plants are at the start of the food chain :)
Answer:
Autoregulation
Explanation:
When the activities of a cell, tissue, organ, or system change automatically due to environmental variation, the homeostatic mechanism that operates is called autoregulation.
Autoregulation is a method of controlling the local blood circulation. It is characterized as an organ's inherent capacity to sustain a standard blood flow, given changes in the pressure of the perfusion.
Answer:
b. Alveolar dead space
Explanation:
Based on the information provided within the question it can be said that the statement that would best indicate that the nurse understands the condition would be "Alveolar dead space". This is because, this is the name of the condition being described by the pulmonologist. It is the sum of the volumes of the alveoli that are ventilated but not perfused due to almost no blood flowing through their pulmonary capillaries.
Answer:
Due to the dense atmosphere
The magnetic field of the earth
Explanation:
Most particles in the solar wind do not reach the earth's surface because the atmosphere is very dense and the protecting magnetic field of the earth.
A solar wind is a burst of energetic particles from the sun which are made up electrons, ions, etc.. They travel at a very high velocity.
- The magnetic field of the earth is able to deflect these charged particles away.
- In areas such as the pole, the interact with the atmosphere to produce very stunning auroras.
The answer is all of the above