The ________ fluid nourishes the brain and absorbs shocks.

Q. The _____ serves as a shock-absorbing medium and protects the brain against shocks and jerks.

Q. Cerebrospinal fluid absorbs shocks and jerks.

Q. The diagram shows a foetus developing in a uterus. Which of the labelled parts prevents dessication of the foetus and acts as a protective cushion that absorbs shocks?

Q. ............ acts as a shock absorber between bones.

Q. An automobile plant contracted to buy shock absorbers from two suppliers X and Y. X supplies 60% and Y supplies 40% of the shock absorbers. All shock absorbers are subjected to a quality test. The ones that pass the quality test are considered reliable. Of X's shock absorbers, 96% are reliable. Of Y's shock absorbers, 72% are reliable.

The probability that a randomly chosen shock absorber, which is found to be reliable, is made by Y is