★ The Vascular System and Blood Flow Quiz
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
Select your answer:
Topics:
Measles and Hib Viruses Biomolecules Liveability Renal Replacement Therapies Histology HS Nervous & Endocrine Systems Blood and Bones Biochemistry/Cells Bacteria Structure Physical Fitness Components Genes, Chromosomes and Genome BMI (Body Mass Index) Who am Eye? Psychology, Psychiatry or Social Work Nucleic AcidsOther quiz:
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