The heart is the primary organ, which pumps blood through the body. The heart automatically adjusts the blood flow to match the activity levels by the intake of more oxygen.
The heart functions appropriately in the presence of oxygen. During a time of activity or an exercise, the body requires an extra amount of energy to meet the needs of the activity. The heart adjusts itself by taking up more oxygen so that the blood flow is increased and the oxygen demand is met.
The heart pumps necessary blood volume to different parts of the body such that, the body does not suffer from any physiological problems.
Thus, the heart sets the blood flow by taking up more oxygen. The correct answer is Option B.
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Answer:
Most victims of sex trafficking and prostitution have been coerced into these ways of living. - True
Answer:
Long-term memory loss is when you have trouble recalling this information when you need it. Many people's long-term memory starts to get weaker as they get older. This is a normal part of aging. Existing between normal age-related memory changes and dementia is the condition known as mild cognitive impairment (MCI).
The
term used to describe features that has been modified from an ancestral form is
evolution. It is a biological change by which descendants come to differ from
their ancestors. In addition, an individual inherits features called traits from its parents through genes and these genes can
produce a new trait in their offspring.