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2 years ago

In reference to the electrical activity of the heart, what signals the end of the cardiac cycle

Biology

1 answer:

Lelu [443]2 years ago

3 0

Answer:

The electrical impulse travels from the sinus node to the atrioventricular node (also called AV node). There, impulses are slowed down for a very short period, then continue down the conduction pathway via the bundle of His into the ventricles.

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How do birds' songs change in response to changes in their environment?

PilotLPTM [1.2K]

Answer:

https://phys.org/news/2009-05-bird-songs-environment.html

Explanation:

5 0

3 years ago

The amount of strain placed on blood vessels as blood moves through them is known as

inn [45]

Answer:

Blood flow!

Explanation:

Blood flow is the volume of blood flowing through any given vessel, or through the circulatory system as a whole, per minute. This is also called cardiac output, and it's determined by the blood volume pumped during one beat and the number of beats per minute.

Hope this helps! :3

6 0

3 years ago

The term that describes that individuals understand themselves as being either male or female is called __________ while the und

Citrus2011 [14]

Answer:

The term that describes that individuals understand themselves as being either male or female is called <u><em>gender identity </em></u>while the understanding that maleness and femaleness are biological and cannot change is <u><em>gender constancy</em></u>.

Explanation:

Gender identity can be described as a personal perception of considering oneself as a male or female ( or both or none). It is a realization that which characteristics you possess and according to these characteristics or traits, you will fit into which sex.

Gender constancy can be described as the understanding that the biological sexes are fixed and permanent. It is a realization that changes in the gender cannot occur even if an individual changes his appearance or traits.

4 0

2 years ago

How does elevation affect climate?

postnew [5]

Altitude affects weather determines how dense the air is and how much heat energy the air can hold.

Option C is the correct one.

<h3>What is the relationship between authority and climate?</h3>

The relationship between climate and altitude is manifested through variations in atmospheric pressure and temperature. Although higher locations are closer to the sun, they tend to receive less heat, becoming colder, in addition to having a smaller thermal amplitude (temperature variation).

With this information, we can conclude that Higher elevations cause temperatures to drop because the higher up in the atmosphere you go the colder it gets due to air pressure in turn causing precipitation to freeze creating snow.

Learn more about altitude in brainly.com/question/18530806

#SPJ1

8 0

1 year ago

The main function of the human digestive system is to A. rid the body of cellular waste materials B. process organic molecules s

Pavel [41]

Answer:

Hi there your answer is B

Explanation:

There are a lot of functions to the digestive system like absorbing nutrients, get rid of waste but the main function is to process organic molecules so they can enter cells.

Hope this helped :)

6 0

3 years ago

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