Answer:
Acetylcholine decreases the heart rate of the organism.
Explanation:
Acetylcholine is a neurotransmitter that regulates the natural pacemaker ability of the heart. Acetylcholine is released by the motor nerves to regulate the proper functioning of heart.
Acetylcholine is released by the stimulation of the vagus and parasympathetic nerve on the sinoatrial node. This increases the potassium level and decreases the calcium level, results in the decrease heart rate of the body.
Answer: I got 844 3/10
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It demonstrates cognitive aspect of emotion.
Emotion simply means the feeling, behavioral and the physiological changes seen in an individual.
According to the cognitive theory, the mental activities of a person and their thoughts play a role in the emotions that are formed.
Cognitive theory of emotion explains an individual's ability to be able to label her experience such as sadness, joyful, pity, stressed out etc.
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The lower limit (5th percentile) of systolic blood pressure can be estimated with this formula: 70mm Hg + (2 x age in years).
Thus, according to the question:
Systolic blood pressure = 70mm Hg + (2 x 9)
= 70mm Hg + 18
= 88mm Hg {answer}
Blood pressure can define as the pressure exerted by flowing blood on the walls of the veins and arteries of the body. It is measured in two terms: systolic blood pressure and diastolic blood pressure.
Systolic blood pressure measures the pressure exerted by blood in the arteries when the heart pumps the blood into it whereas diastolic blood pressure measures the pressure exerted by the blood when the heart is at resting between the beats and not pumping the blood.
Normal systolic blood pressure reads 120 and normal diastolic blood pressure reads 80. So the overall normal blood pressure will be "120/80 mmHg" where mmHg is the unit in which the Blood pressure is measured.
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Answer:
The hamstring group muscles (semitendinosus, semimembranosus, and biceps femoris) flex the knee and extend the hip.
Explanation: