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denpristay [2]
3 years ago
11

What would happen to the heart rate if CO2, a toxin, was building up in the blood due to increased rates of aerobic respiration?

:)
Biology
2 answers:
galben [10]3 years ago
8 0
There would be low blood pressure and an increase to the pH in the bloodstream.
Gekata [30.6K]3 years ago
8 0
PH will decrease in the bloodstream. high blood pressure.
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Imagine a postsynaptic neuron is experiencing multiple simultaneous incoming synaptic potentials, which were caused by the activ
SashulF [63]

Answer:

The neuron will not fire an action potential.

Explanation:

The missing magnitudes of the synaptic potentials when they reach the postsynaptic cell's axon hillock are:

A. excitatory +7

B. excitatory +10

C. inhibitory -3

D. excitatory +2

E. inhibitory -4

To fire the action potential, the summation of excitatory postsynaptic potentials (EPSP) and inhibitory postsynaptic potentials (IPSP) must reach the action potential threshold, which in this case is 15mV more positive than the resting potential.

The EPSP are: +7 +10 +2= +19

The IPSP are: -3 - 4= -7

EPSP + IPSP=

+19 -7 = +12 mV

The neuron will not fire an action potential since the integration of EPSP and IPSP is below 15mv.

6 0
3 years ago
Why do earthquakes often cause damaging fires
Sedbober [7]
Earthquakes can cause very large and catastrophic fires by severing fuel and electricity lines. The released fuel can be lit on fire by something like a cigarette or the severed electrical lines.
6 0
3 years ago
Read 2 more answers
if the blood flow to the brain ceases for 5 to 10 seconds, the muscles will start to twitch convulsively whithin how long?
Tanya [424]
<span>Is 15-20 seconds that is</span>
4 0
3 years ago
Read 2 more answers
Describe how building a dam for electricity affects an ecosystem.
tankabanditka [31]

Answer:

The alteration of a river's flow and sediment transport downstream of a dam often causes the greatest sustained environmental impacts. Life in and around a river evolves and is conditioned on the timing and quantities of river flow. A dam also holds back sediments that would naturally replenish downstream ecosystems.

<em>Hope it helps</em>

<em>:D</em>

8 0
3 years ago
How many grams of O2 are needed to completely react with 2 moles of N2 ? Enter your answer as a number (do not enter the units o
soldi70 [24.7K]

Answer:

64

Explanation:

Nitrogen combines directly with oxygen at very high temperatures to form nitrogen(ii) oxide. This is the reaction that occurs during lightning flashes. Atmospheric nitrogen and oxygen combines during the high temperatures obtained in lightning flashes to form nitrogen (ii) oxide.

Equation of the reaction is given below:

N(g) + O(g) ---> 2NO(g)

From the equation of the reaction, 1 mole of nitrogen gas combines with one mole of oxygen gas to produce 2 moles of nitrogen (ii) oxide.

Therefore, 2 moles of oxygen gas will react with 2 moles of nitrogen gas

Mass of oxygen gas that is 2 moles of the gas is obtained from the formula; mass = number of moles * molar mass

Molar mass of oxygen gas = 32.0 g/mol

Mass of 2 moles of oxygen gas = 2 * 32.0 = 56 g

Therefore, the mass of oxygen required in grams is 64

6 0
3 years ago
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