An important similarity between a sub-lethal dose and a lethal dose is, they both produce adverse affect to which the dose is applied. However, they differ on the level of toxin or noxious substance causing adverse reaction. So, lethal dose causes an organism to die while in the sub-lethal, the dose is not quite enough to cause death.
Answer:
Explanation:
The Circulatory system pumps blood around the body, and the respiratory system facilitates the gas exchange that keeps the blood fresh. The heart is connected to the lungs via the pulmonary arteries and veins.
The circulatory and respiratory systems work together to deliver oxygen and other important nutrients to every cell in our bodies. All of our body cell require oxygen to conduct cellular respiration. In this process, oxygen burns the nutrients from foods w eat, providing energy for the cells. The respiratory system is responsible for bringing oxygen into the body and removing waste gasses.
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Answer:
brand personality :) hope i helped
Explanation:
A woman is in the first stage of childbirth. Which of these events may be occurring?
B. Intense contractions
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