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Biology - Exemplar

18. Body Fluids and Circulation

1. The Living World
2. Biological Classification
3. Plant Kingdom
4. Animal Kingdom
5. Morphology of Flowering Plants
6. Anatomy of Flowering Plants
7. Structural Organisation in Animals
8. Cell : The Unit of Life
9. Biomolecules
10. Cell Cycle and Cell Division
11. Transport in Plants
12. Mineral Nutrition
13. Photosynthesis in Higher Plants
14. Respiration in Plants
15. Plant Growth and Development
16. Digestion and Absorption
17. Breathing and Exchange of Gases
18. Body Fluids and Circulation
19. Excretory Products and Their Elimination
20. Locomotion and Movement
21. Neural Control and Coordination
22. Chemical Coordination and integration
Model Question Paper

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Long Answer Type

Q. 44.3( 4 Votes )

Cardiac activity A. The parasympathetic system stimulates heart rate and stroke volume

B. The sympathetic system stimulates heart rate and stroke volume

C. The parasympathetic system decreases the heart rate but increases stroke volume

D. The sympathetic system decreases the heart rate but increases stroke volume

Class 11th Biology - Exemplar 18. Body Fluids and Circulation

Answer :

Neural signals obtained from sympathetic system stimulate heart rate and stroke volume.

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