Answer;
- P-R interval
Explanation;
-P-R interval is the period of time from the onset of the P wave to the beginning of the QRS complex . This period normally ranges from 0.12 to 0.20 seconds in duration.
-The P-R interval represents the time between the onset of atrial depolarization and the onset of ventricular depolarization. A prolonged PR interval indicates delayed conduction of the sino-atrial, or SA, nodal impulse to the ventricles and is called first-degree AV block. A short PR interval can be seen when the AV node delay is bypassed.
Answer: 5.7%
Given:
<span> 350
j (total energy)</span>
<span> 180 j (excretion in feces)</span>
<span>150 j ( energy for respiration)</span>
Solution:
Let X= energy left in the body
X=350-180-150
X=20 j
Production efficiency is:
<span>20/350=5.7%</span>
Answer:
Adaptation is the process of adjusting something to better match its environment or situation. Evolution is a broad term that refers to any change in anything over time.
<span>Anterior Gray Horn................</span>