Question

Narrowing of blood vessels takes place at ___________.

Answer 1

Blood vessels:

1. Blood flows in both directions through these channels, one from the heart to the rest of the body and the other from the rest of the body to the heart.
2. The capacity of an organism to keep a constant internal temperature is aided by blood vessels.
3. The most important function of blood arteries is to prevent blood loss following injuries.
4. Blood arteries pump both oxygenated and deoxygenated blood from and to the heart.
5. The body occasionally has to undergo vasoconstriction, which involves tightening your blood vessels' muscles to reduce the volume within.

Final answer: Narrowing of blood vessels takes place at low temperature.