Answer:
Sadness is caused when there is a strong emotional reaction to a particular object.
Sadness can sometimes lead to depression, but more commonly sadness can make you feel tired, angry, or stressed.
Explanation:
The same number <span>chromosomes are there in a maize egg cell nucleus as compared to a maize pollen cell nucleus</span>
The order of the vessels in which the blood will pass through is
right internal jugural vein
right brachiocephalic vein
superior vena cava
cavernous sinus
aorta
brachiocephalic trunk
cebebral arterial circle
right common carotid artery
The blood flows through the veins, the heart, and the arteries.