The blood pressure in the large systemic arteries is greatest during:

when blood is pumped out of the heart into the arteries.

Explanation:

Hope its help you!!

Option C

Explanation:

The theory states that the people with the lighter skin tones have the ability to produce more Vitamin D in presence of sunlight. The less the skin deflect UVB, the skin can produce more VItamin D.

This is the reason inspite of being at the higher latitude region some indigenous people having darker skin tone needs to have vitamin D as supplements or eat foods rich in VItamin D.

hence, the correct answer is option C