Question

Veins are thin walled and have valves. Justify.​

Answer 1

Answer:

• The high demand medicinal plants in Jammu region are Harad (Terminalia chebula), Amla(Emblica officianalis), Ashwagandha (Withania somnifera), Baheda(Terminalia bellirica), Arjun (Terminalia arjuna), Banafsha(Viola odorata), Gilo (Tinosporia cordifolia), Tulsi( Ocimum sanctum), Saffron(Crocus sativus) etc.

I hope this will be help you.

Answer 2

Veins collect the blood from different organs and bring it back to the heart. The blood is no longer under pressure so, the walls are thin with valves to ensure that blood flows only in one direction.

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