Topics: Cardiovascular System Quiz
During cold weather and as part of the body’s mechanism to conserve heat, which of the following happens to the blood vessel?
A. dilate
B. constrict
Select your answer:

Topics:
Oncology Measles and Hib Absorption, Lymphatic System, and Blood Vessels Basics of Cardiology Child Growth and Development Lifetime Wellness Enzyme Organ Senses and Locomotor System Heart Anatomy Life Processes - Digestion and Respiration DNA and RNA Structures BTEC Biological Approach Revise Macronutrients & Micronutrients Blood Groups Purpose and Function of the Skeletal SystemOther quiz:
The Blood › ViewThe body contains 4 and a half gallons of blood.
A. TRUE
B. FALSE
Mouth - Stomach › View
Which of the following is another name for the baby teeth?
A. Deciduous
B. Permanent
C. Wisdom
D. Secondary