Question

pls answer the above questions​

Answer 1

Answer:

These are the answers for ur question.

Answer 2

Answer:

Explanation:

a) A ⏩ artery

B ⏩ vein

C ⏩ capillary

b) 1- tunica externa (connective tissue)

2- lumen

3- tunica media

4- tunica interna ( endothelium)

c)1) arteries have a small lumen and are thick walled whereas veins have large lumen and are thin walled.

2) arteries does not have valves but veins contains valves.

d) A ⏩ oxygenated blood (except pulmonary artery)

B ⏩ deoxygenated blood (except pulmonary vein)

e) gaseous exchange takes place in capillaries i.e C diagram.