MP Board · Class 7 · Science · Transportation in Animals and PlantsWhich blood vessels have valves that allow blood to flow only towards the heart?
Step-by-Step Solution
Veins are blood vessels that carry carbon dioxide-rich blood from all parts of the body back to the heart. They have valves that allow blood to flow only in one direction, towards the heart, preventing backflow.
Detailed Options Breakdown
Option : Arteries
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Transportation in Animals and Plants.
Option 1: Capillaries
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Transportation in Animals and Plants.
Option 2: Veins (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: Pulmonary artery
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Transportation in Animals and Plants.
💡 Study Guide: This question tests core syllabus concepts from Transportation in Animals and Plants. For formulas, key summaries, and mock exam reference guides, read the full Transportation in Animals and Plants Revision Notes.