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White raven [17]
3 years ago
11

What is the proper name for the electrical system in the heart?

Biology
1 answer:
borishaifa [10]3 years ago
7 0

Answer:

SA node

Explanation:

The SA node (called the pacemaker of the heart) sends out an electrical impulse. The upper heart chambers (atria) contract. The AV node sends an impulse into the ventricles. The lower heart chambers (ventricles) contract or pump.

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gtnhenbr [62]

Answer:

Sound wave that have more energy are louder and have more frequency, amplitude and short wavelength

Explanation:

That bird's  sound wave has more energy which has higher frequency of sound. Due to its higher frequency of sound, the amplitude is also higher. That sound which have higher frequency has short wavelength and those sounds which has lower frequency and pitch has long wavelength. So we can say that sound wave that have more energy are louder and have more frequency, amplitude and short wavelength whereas sound wave that have lower energy are less louder and have less frequency, amplitude and long wavelength

4 0
3 years ago
Which of the following statements is true about all members of a species?
Cloud [144]

Answer:

A

Explanation:

3 0
3 years ago
Read 2 more answers
The leading strand runs in a
Thepotemich [5.8K]

Answer:

option C is correct that is 3` to 5` continuously

Explanation:

when replication begins the two parent DNA strand  are separated one of this is called leading strand and is replicated continuously in the 3` to 5` direction the other strand is lagging strand and is replicated discontinuously in short sections

8 0
3 years ago
Ina shoots a large marble (Marble A, mass: 0.08 kg) at a smaller marble (Marble B, mass: 0.05 kg) that is sitting still. Marble
NikAS [45]
(M1xVi1)+(M2xVi2)=(M1xVf1)+(M2xVf2)
(.08x.5)+(.05x0)=(.08x-.1)+(.05xVf2)

Marble B's resulting velocity is .64
4 0
3 years ago
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If someone doesn't believe in global warming because they have been monitoring the temperatures through a local weather station
Semmy [17]

Answer:

The major argument is the identification of a climate related phenomenon on basis of weather data of a local region.

Explanation:

The major difference is regarding the difference between the basic definitions of the term weather and climate. The observations made by the protagonist are constrained both by the location as well as the time duration. Where as the global warming is linked to climate of the planet and these observations are to be general inclusive of all the regions across the globe as well as comparative historical data for large amount may be decades.

6 0
3 years ago
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