Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Biology Human body
Which of the following is responsible for the vibrations of the vocal cords during speech?
1
Ligaments
2
Expired air
3
Inspired air
4
More than one of the above
5
None of the above