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masya89 [10]
3 years ago
13

Summarize how the actions of the heartbeat make their first and second sounds.

Biology
1 answer:
professor190 [17]3 years ago
7 0
When the blood is pumped from the right ventricle to the pulmonary artery.. the "lubb" sound is heard... while ..when the oxygenated blood is pumped by the left ventricle to the aorta.. a larger "dubb" sound is heard... 
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TRY IT Analyze Data
lesya692 [45]

Mean 48, Range 7,

A data set is a grouping of connected, discrete pieces of connected data that can be viewed separately, together, or handled as a single unit.

<h3>What about data set?</h3>
  • One or more records may be found in a file, which is referred to as a data set.
  • The fundamental informational unit employed by z/OS software is the record.
  • A data set is any named collection of records.
  • A collection of numbers or values pertaining to one subject constitutes a data set.
  • A data set might include, for instance, each student's test results in a certain class.
  • A data set is the number of fish that each dolphin consumes in an aquarium.
  • Finally, we define the different sorts of data sets into three groups: record data, graph-based data, and ordered data.
  • The kind of a Data Set reflects the particular kind of data you want to import.
  • Data Set types, for instance, can be found for user data, cost data, content data, etc.
  • You'll have several options for the dimensions and metrics (the schema) you can employ depending on the type of data set.
  • Assemble the raw data.
  • Determine the feature and the sources.
  • Decide on a sample plan.
  • Dividing the data.

Learn more about data set here:

brainly.com/question/12570264

#SPJ13

5 0
1 year ago
A group of mutations, known as MT-ND1, have been identified in mitochondrial DNA. These mutations are associated with a number o
VMariaS [17]

Answer:

The human mitochondrial DNA (mtDNA) is a double-stranded, circular molecule of 16 569 bp and contains 37 genes coding for two rRNAs, 22 tRNAs and 13 polypeptides. The mtDNA-encoded polypeptides are all subunits of enzyme complexes of the oxidative phosphorylation system.

Explanation:

6 0
3 years ago
Community constituencies of a local health department (lhd) include
Kaylis [27]

the land mass in the geographic

region served by the LHD.

5 0
3 years ago
A computer simulation showing models of planes crashing is a good way to study the effects of plane safety.why?
MAXImum [283]

Answer:

Flight simulators are widely used for pilot training in the aviation industry, military pilot training, simulation of disasters or failures in flight, and aircraft development.

These simulations are used for pilot training, whose essential function is to train the crew in normal, abnormal and emergency procedures, before and during flight, practicing innumerable situations, such as: failures in electronic systems, loss of power, tailwinds and many others, which cannot be done safely with an aircraft in real situations. Explains to the new pilots the movements and attitudes of the ships, becoming a fundamental part of the training, saving lives and large economic losses.

These simulations allow knowing the causes of each plane crash in order to modify the operating procedures and training, so that its repetition is avoided. Flight safety investigations are complex and analyze numerous factors, and rather than investigating the persons responsible, it tries to find out the causes of the incident, considering human factors and technical issues.

7 0
3 years ago
Scientific definition of hypothesis
Radda [10]

Answer: A scientific hypothesis is the initial building block in the scientific method. Many describe it as an "educated guess," based on prior knowledge and observation. While this is true, the definition can be expanded. A hypothesis also includes an explanation of why the guess may be correct

6 0
3 years ago
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