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Zielflug [23.3K]
3 years ago
5

What would happen if your heart valves stopped working?

Biology
1 answer:
LiRa [457]3 years ago
7 0

Answer:

In heart valve disease, one or more of the valves in your heart doesn't work properly. Your heart has four valves that keep blood flowing in the correct direction. In some cases, one or more of the valves don't open or close properly. This can cause the blood flow through your heart to your body to be disrupted.

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The major evolutionary split of protostome animals was based on the _____.
Sedbober [7]

Answer:

e. way that the organism grows

Explanation:

During the evolution of animals, there was a great increase in body complexity, emerging specialized organ systems and differentiated structures, which also contributed to the classification of animals.

The protostomies differ mainly in that the blastopore (opening that forms at the stage of the gastrula during embryonic development) will give rise to the embryo's mouth, and the anus will open posteriorly (In deuterostomies, the anus opens first, and the mouth opens later).

Some <u>examples</u> of protostomies are worms, mollusks and arthropods.

8 0
4 years ago
Which of the following most accurately describes the pattern of immune system functioning during each stage of the general adapt
IceJOKER [234]

Answer:

. Immune system functioning decreases slightly during the first stage, increases during the , second, and then decreases more significantly during the third stage.

Explanation:

At the initial stage the body system is in shock, there will be fear especially in the case of sudden occurrence or happening this will makes

the immune system decrease in function,

but after a while there will be a response, in case of fear an hormone is released called cortisol to calm such an individual and give a balance to the system this will then increase the function of the immune system but when fear an anxiety gets to a peak and the immune system couldn't response such as individual could collapse leading to a relapse in the immune system and a decrease in function.

8 0
3 years ago
The ________ is the part of the brain with dense connections with a variety of sensory areas of the brain; it is critical for cl
My name is Ann [436]

Answer:

Basolateral complex

Explanation:

Amygdala is that part which is situated at both the right and left side of the brain's temporal lobes that is believed to play a vital role in the evaluation of the emotions and the recognition of different situations and also helps to detect the potential harms.

Amygdala has further two parts, one is the central nucleus and the other is basolateral complex where the function of central nucleus is paying attention.

Basolateral complex is another part having dense connections and  various sensory  regions in the brain critical for the attachment of the evaluation of emotions to memory and learning.

6 0
3 years ago
This structure gives a cell shape, allows it to move, and moves organelles. 5 points a) cytosol b) cytoskeleton c) cytoplasm d)
MatroZZZ [7]

Answer:

B) cytoskeleton

Explanation:

the cytoskeleton is a network of connected filaments and tubules.

7 0
3 years ago
Which substances in the stimulation have particles that are atoms only
otez555 [7]
In the simulation, neon and argon have particles that are single atoms. On the other hand, each particle of oxygen is made of two atoms of the same kind. Hope this helps
4 0
3 years ago
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