Answer:
The correct answer will be option-A
Explanation:
Electrocardiogram or ECG is the recording and representation of the electrical changes that are taking place during the cardiac cycle.
The QRS complex is preceded by the P wave or atrial systole or atrial depolarization after which the electrical signals are passed on to the AV node.
As soon as the AV node passes the electrical signals to bundle of His, it is observed in as the QRS interval which represents the atrial diastole and the onset of ventricular depolarization.
Thus, option-true is the correct answer.
Answer:
The pressure waves strike the tympanum, causing it to vibrate. The mechanical energy from the moving tympanum transmits the vibrations to the three bones of the middle ear. The stapes transmits the vibrations to a thin diaphragm called the oval window, which is the outermost structure of the inner ear.
Explanation:
Answer:
The answer is B: Cystic fibrosis.
Explanation:
Cystic fibrosis is a SERIOUS hereditary disease, which not only damages the lungs but also the digestive system and is characterized by affecting the cells that produce mucus, sweat and gastric juices. These fluids are altered in their composition, becoming thick and sticky which lead to an obstruction of the ducts.
Answer:
Average temperature of water is -12°C (10°F)
Explanation:
Which water tho?
