Answer:
According to research studies, attractive faces are those that maintain harmony, asymmetry and proportionality of nature.
Explanation:
Our human eye perceives the harmonious, balanced as something beautiful or cute, which presents the same measurements on both sides (symmetrical).
Although art challenged this quality of the human eye through subrealistic techniques.
Answer:
Pulmonary arteries carry the blood to your lungs, where it receives oxygen. Pulmonary veins move the blood oxygen-rich blood to the left side of your heart.
Answer:
d. Preload increases.
Explanation:
Preload is affected by the rate of venous return and the venous blood pressure , which are affected by the volume of circulating blood and venous tone .
The preload is related to ventricular end - diastolic volume ,
The higher end - diastolic volume have a higher preload .
<u>Preload is approximated via echocardiographic measurement end diastolic volume or EDV.
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Preload is increased by exercising , or increase in blood pressure and neuroendocrine excitement .