<u>Answer:</u>
<u>A, B and C. All have same blood flow.</u>
<u>Explanation:</u>
The hemodynamic relation between blood flow (F), resistance (R) and pressure difference (ΔP) can be expressed as
F = ΔP/R
<u>RESISTANCE:</u>
Since the three blood vessel segments are of equal length and diameter, it implies that all three blood vessel segments possess equal resistance.
Since the resistance is same in all vessels therefore, in this case blood flow depends on pressure differences.
<u>PRESSURE DIFFERENCES:</u>
ΔP in vessel segment (A):
100-70= 30 mmHg
ΔP in vessel segment (B):
80-50= 30 mmHg
ΔP in vessel segment (C):
60 -30 = 30 mmHg
<u>CONCLUSION:</u>
Since the pressure differences is same i.e. 30 mmHg in all vessel segments and resistance is also same, therefore blood flow will be same in all vessel segments.
According to the 2nd law of thermodynamics, leftover energy is dispersed into the environment in the form of heat.
Hope it helped,
Happy homework, study, exam!
Answer:
The impulse will not be transmitted
Explanation:
The nervous system sending a signal by triggering the action potential of the cell. To trigger the action potential, a certain threshold of membrane potential has to be reached. Acethylcholine is a neurotransmitter that can change the membrane potential, and if the number if enough will trigger an action potential.
If the number of acetylcholine is not enough, there will be no action potential triggered and the signal will not be transmitted. Since the signal won't reach the muscle, then muscle contraction will not happen.
Hello there!
Your answer should be ATP is a stored form of energy.
You see, Think of it as the “energy currency” of the cell. If a cell needs to spend energy to accomplish a task, the ATP molecule splits off one of its three phosphates, becoming ADP (Adenosine di-phosphate) + phosphate. The energy holding that phosphate molecule is now released and available to do work for the cell. Hope this works!
Clastic sedimentary rocks are formed by fragments of rock that are squeezed and cemented together. Answer A
