जमीन के ऊपर badhne वाले भाग को मूलांकुर कहते हैं सत्य है सत्य बताओ
Answers
Answered by
6
Answer:
Oyee yrr so sorry☹️ mera chemistry da paper c ohi den gyi c school..hun free aa
Answered by
3
Answer:
Unlike arteries, veins contain valves that ensure blood flows in only one direction. But, Arteries don't require valves because pressure from the heart is so strong that blood is only able to flow in one direction. Valves also help blood travel back to the heart against the force of gravity
Similar questions
Social Sciences,
2 months ago
Science,
2 months ago
English,
4 months ago
Math,
4 months ago
Math,
10 months ago