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antoniya [11.8K]
2 years ago
14

What would happen if the Av node delay were too long? and what happen if the delay were too Short?​

Biology
1 answer:
never [62]2 years ago
6 0

Answer:

If the AV node delay where too long the blood would be pumped into the ventricles before it could be pumped into the blood vessels, causing too much volume of blood to concentrate in the ventricles .  If the AV node delay were too short there would not be enough time for the blood to leave the ventricles before the next heart contraction.

Explanation:

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If a plant cell is placed in a solution and the cell shrivels up, what type of solution was it placed in? How do you know?
vladimir1956 [14]

Answer: The solution was hypertonic

Explanation: The reason for this is the fact that the cell shriveled up. The shriveling was caused by water moving out of the cell. This movement is likely caused by a disbalance in solutes between the cell and the surrounding, with the surrounding containing a higher concentration of solutes. Diffusion tries to balance this by moving water out of the cell, thus increasing the concentration inside and reducing the concentration outside.

5 0
3 years ago
How does the skin increase body heat through metabolic rate?​
Varvara68 [4.7K]

Answer:

Your skin regulates your body temperature through blood vessels and through the process of sweating. The skin is in effect your body's thermostat. When you're out in cold weather, your skin triggers shivering so the blood vessels will contract and keep you as warm as possible.

Explanation:

I hope that this answer has helped you to more thoroughly understand your question asked. If you have any further questions, please do not hesitate to ask them below.        

Have a great rest of your day/night!

4 0
2 years ago
Infer: what is the relationship between the evolution of bipedalism, the increase in cranial capacity, and the decrease in tooth
noname [10]
When the organism become bipedal, they walk with 2 legs so there are 2 arms that were unused. Some of them try to use that hand by grabbing stick or stone, leading to tools. They start to think more to develop tools and their brain capacity become increased.
The ability to use stone tools will help in food digestion since it can break the food easier. This reduces the needs for bigger teeth/jaw.
3 0
3 years ago
Compare What is the main difference between astronomy and other branches of Earth science?
Anuta_ua [19.1K]

Answer:

Astronomy is a study based off of the stars and whats outside our planet while earth science is based on whats in and on our planet .

Explanation:

I hope this helps! Have a great day.

5 0
2 years ago
Which statement best explains why the population stabilized and why?!
goldenfox [79]

Answer: C. The population size became limited due to factors such as availability of food.

Explanation:

Out of all the choices, C is the most likely to happen since more often then not, food runs out because a species has too many members. C is an example of the environment’s carrying capacity limiting the chipmunk species.

Since we are not told if the chipmunk population is really small, interbreeding may not happen. Predators hunt prey, not eat fruits like chipmunks do (I’m assuming what chipmunks eat.) If there was a predator species that came in, they would hunt the chipmunks instead of competing for the same resources. D just doesn’t make much sense in my opinion because that wouldn’t limit the chipmunk population.

3 0
2 years ago
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