What are the roles of blood vessels?how are areteries different from veins
Answers
Q What are the roles of blood vessels?
Blood vessels flow blood throughout the body. Arteries transport blood away from the heart. Veins return blood back toward the heart. Capillaries surround body cells and tissues to deliver and absorb oxygen, nutrients, and other substances.
Q How are areteries different from veins?
Arteries:
1 Carry blood from heart, carry oxygenated blood ( except pulmonary artery)
2 Bright red colour
3 Elastic wall that expand with surge of blood
4 can feel a pulse
5 no valves
Veins:
1 carry blood to heart carry deoxygenated bloos( except pulmonary vein)
2 dark red
3 Less elastic/ thin wall
4 no pulse
5 valves
Answer:
hi
Explanation:
Blood vessels flow blood throughout the body. Arteries transport blood away from the heart. Veins return blood back toward the heart. Capillaries surround body cells and tissues to deliver and absorb oxygen, nutrients, and other substances.