CBSE 2026 · Region 1 · Set 3 · Q6

Study the given diagram of the heart, with blood vessels marked '$\displaystyle 1$' and '$\displaystyle 2$'. From the following statements, establish the relationship between heart and /or the two blood vessels :

(ii)

Blood vessel $\displaystyle 2$ - It carries oxygen rich blood from the lungs.

(iii)

Blood vessel $\displaystyle 2$ - Left atrium relaxes as it receives blood from this blood vessel.

(iv)

Blood vessel $\displaystyle 1$ - Right atrium has thick wall as it has to pump blood to this vessel. The option with correct statements is :