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Marina CMI [18]
3 years ago
12

What is a electrocardiograph technician​

Biology
1 answer:
Veronika [31]3 years ago
3 0
Electrocardiograph (EKG or ECG) technicians operate equipment that measures, monitors, and graphically traces the electrical activity of the heart. Physicians use the graph (electrocardiogram/EKG/ECG) to diagnose and monitor patients' heart problems.
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Lucia is walking barefoot in her yard. She accidentally steps on a nail. How will her nervous system work to generate a reaction
dmitriy555 [2]

The nervous system takes in information through our senses, processes the information and triggers reactions, such as making your muscles move or causing you to feel pain. For example, if you touch a hot plate, you reflexively pull back your hand and your nerves simultaneously send pain signals to your brain.

6 0
3 years ago
Read 2 more answers
Evolution is a long and arduous process that has created humans with many different traits. Can you think of some genetic mutati
ehidna [41]

Answer:

discovery in 2008 where researchers found the ACTN3 gene known as the super sprinter gene that controls fast twitch muscle fibers in sprinters. this gene is apparent in a lot of sprinters, and we know it is a mutation because about 18% of people today actually have 2 defective ones, thus not having the ACTN3 gene at all.

There's this other famous one where this gene low-density lipoprotein receptor-related protein 5, or LRP5 causes extra bone density. usually when LRP5 is inhibited or impaired, this causes osteoporosis, but when it is mutated a different way, it can cause increased bone density. a bunch of generations of a family had never broken a bone in their life because of this. cool stuff.

There's also this trait originating from Africa that people with the sickle cell anemia, no matter if it is active or not, have some resistance towards malaria, good mutataion.

Explanation:

8 0
3 years ago
List the functions of the 4 macromolecules?
hjlf
<span>Nucleic acids are DNA and RNA
Proteins provide both functional and structural functions to cells
Carbohydrates provide short-term energy storage to cells
<span>Lipids provide the long-term storage</span></span>
8 0
3 years ago
Explain the relationship between humans and mice, and list three ways you can determine this information
nignag [31]

Answer:

Overall, mice and humans share virtually the same set of genes. Almost every gene found in one species so far has been found in a closely related form in the other. Of the approximately 4,000 genes that have been studied, less than 10 are found in one species but not in the other

Explanation:

hope this helps!!

6 0
4 years ago
The sun shining on a tidal pool during a hot day heats the water. As some water evaporates, the pool becomes saltier, causing.
ludmilkaskok [199]

As water evaporates off salt water, the water gets saltier, and dissolved oxygen in the water reduces.

<h3>Dissolved oxygen and solute concentration</h3>

There is an inverse relationship between the dissolved oxygen in water and the concentration of solute.

Thus, as water evaporates off the tidal pool, available free oxygen decreases accordingly just as the water becomes more salty.

In other words, the more water in a solution, the more free oxygen, and vice versa.

More on dissolved oxygen and water can be found here: brainly.com/question/26113345

3 0
2 years ago
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