This is because ventricles pump blood to lungs and to different body parts for which they need strength.
Question
Give reasons for the following statements ventricles have thicker walls than auricles.
- Transportation in animals and plants CBSE Class 7
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Open Answer »Read the following terms given below.
| root hairs | Xylem | Urethra |
| arteries | Kidneys | Veins |
| atria | Capillaries | Heart |
| ureter | Phloem | Urinary bladder |