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HHB Immunology Microbiology Disorders of The Joints Joints in our Body BTEC Biological Approach Revise Pathology - Chronic Inflammation Medical Nursing Human Organs Urinary Cholera Bacterial Resistance and Biotechnology Immunology Hospital Wards and Departments Vitamins Microbial GrowthOther quiz:
Nutrition › View
Table shows the calorific value of three types of food.
A student takes 10 g cabbage, 200 g rice and 50 g beef for his lunch. What is the total calorific value taken by the student?
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A. 25.9 kJ
B. 285.9 kJ
C. 3542.0 kJ
D. 2093.0 kJ
The Vascular System and Blood Flow › View
What is the main role of the nervous system in the return of blood to the heart?
A. Assisting in the distribution of blood to different organs
B. Pushing or massaging blood back to the heart with each muscle contraction
C. Causing veins to slightly constrict to return more blood to the heart
D. Creating a difference in pressure between the veins in the chest and abdominal cavities