Question

name the total arteries and veins that work opposite of their nature i.e. veins carry oxygenated blood and arteries carry deoxygenated blood in humans.

Answer 1

Pulmonary veins and Pulmonary and umbilical arteries.

Answer 2

✤ $\sf\underline\red{ Total \: no. \: of \: Arteries \: :- }$

• There are more than 20 major arteries throughout the body, which then branch out into many and many smaller arterioles and capillaries.

✤ $\sf\underline\red{ Total \: no. \: of \: Veins \: :- }$

• At least 34 main veins and many more smaller veins, connecting with the capillaries.