Question

1) Diff. b/w
(a) Vein & artery
(b) vein and pulmonary veins
(c) artery and pulmonary artery
2) Role of following in the digestion process
(a) hydrochloric acid
(b) bile juice
(c) pepsin
(d) saliva
(e) gall bladder
(f) villi
(g) mucus
3) Name the enzyme present in pancreatic juice & mention their role in digestion.
4) what is lymphatic system & mention the functions of lymph
5) How is process of transpiration useful to plant ?
6) what is emulsification n what are it significance?

Answer 1

A) veins are the deoxygenated blood carrier vessels whereas arteries are oxygenated blood carrier vessels.