where is the av nodal delay represented in the ecg???

Answer: PR segment

Question: when does phantom of the opera take place?

Answer: 1911

Answer this question: when does the show cloak and dagger start??

June 7, 2018

Q: who wrote much too young to feel this old?A: Garth Brooks

Input: who sings the song feel like making love?

Output: British supergroup Bad Company

Answer this question: who stated that all plants are made of cells??
Robert Hooke