The right ventricles pumps blood to the lungs through the pulmonary veins this is typically colored blue even through it carries blood away from the heart.
The blood vessels which includes the both inferior and Superior vena cava. These are bring blood from the body to the right atrium.Then pulmonary artery carries that blood from the right ventricles to the lungs . The oxygenated blood is brought back to heart by the pulmonary veins which enter the left artery atrium.
The deoxygenated blood return from the body to the right artium and form there enters the right ventricles which pumps it to the lungs. The right atrium received.
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Answer:
the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane. Microscopic organisms typically consist of a single cell, which is either eukaryotic or prokaryotic.
Explanation:
B.Liquid Water
Explanation: lava gushes out ashes go up and gases when it erupts only water does not erupt.
<span>removal of a keystone species makes the rest of the system more unstable, but the best way to understand how this works is to visualize it, either by drawing a model, or using a diagram.
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Atlantic Cod is a keystone species. if the cod were removed, the seal population would decline because of a prey shortage, which would increase the populations of all the other fish species that the seals consume. Those increased fish populations would then overexploit their available prey, causing the population of prey to decline, resulting in a decline in predatory fish, resulting in an increased decline in the seal population, etc.
In addition, each increase or decrease in any species will affect every other species it interacts with, creating one hell of an unpredictable mess, which often leads to ecosystem collapse and/or extinction.
This phenomenon is known as trophic cascade.
Answer:
I would say disease.
Explanation: All of the other choices are weather based, and I don't think Mother Nature chooses natural disasters based on the population. Also, the more people in a population, the more people that the disease could spread to.