college chemistry

posted by .

Which of the following statements is not true when a human is subjected to cold temperatures?

a.blood vessels dialate to help dissipate heat

b.shivering causes the muscles to generate more heat

c.blood vessels in the extremities constrict to reduce the loss of heat

d.reactions in the body slow down

  • college chemistry -

    a is not true.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. salt blood pressure

    Why does an increased salt intake cause a rise in blood pressure in salt sensitive individuals?
  2. Body System

    The cardiovascular system consists of A. blood, blood vessels, heart, lymph, lymph vessels, and lymphatic tissues. B. heart, blood vessels, and lymph vessels. C. blood, blood vessels, and heart. D. heart and coronary arteries. The …

    Heat exhaustion caused by a person's exposure to heat can result in weakness or collapse. It usually involves a decrease in blood pressure. Explain why the homeostasis adjustment to heat can cause a drop in blood pressure. ---------- …
  4. calculus

    A heart attack victim is given a blood vessel dilator to increase the radii of the blood vessels. After receiving the dilator, the radii of the affected blood vessels increase at about 1% per minute. According to Poiseulle's law, the …
  5. biology

    choose the correct statement concerning blood vessels. a. venules control blood flow through capillaries. b. arterioles drain blood from capillaries. c. veins have thinner walls, but more valves than arteries. d. nutrient exchange …
  6. physiology

    Given a Helium-Neon laser-based fiber optic Doppler probe at an angle of 60¡C with a blood vessel that registers a frequency shift of 63KHz, what is the velocity of the blood?
  7. Physics

    How much higher must your blood pressure get to compensate for a 5% narrowing in your blood vessels?
  8. Science

    Choose the CORRECT statement concerning blood vessels. A. Venules control blood flow through capillaries B.Arterioles drain blood from capillaries. C.Veins have thinner walls, but more valves than arteries. D.Nutrient exchange may …
  9. Please help! Taking exam Monday! Anatomy & Physiol

    Nutrients move out of the blood and into the body cells through which blood vessels?
  10. Physics

    Smoking causes blood vessels to constrict. If the average blood vessel radius of a smoker decreases 7.6% and the body increases blood pressure to maintain a constant flow. Calculate the needed percent increase in pressure.

More Similar Questions