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Citrus2011 [14]
3 years ago
8

What is the role of the nervous system in heartbeat regulation?

Biology
1 answer:
Reptile [31]3 years ago
8 0
HEART RATE IS CONTROLLED BY THE TWO BRANCHES OF THE AUTONOMIC (INVOLUNTARY) NERVOUS SYSTEM.THE SYMPATHETIC NERVOUS SYSTEM (SNS) AND THE PARASYMPATHETIC NERVOUS SYSTEM (PNS).THE SYMPATHETIC NERVOUS SYSTEM RELEASES THE HORMONES (CATECHOLAMINES-EPINEPHRINE AND NOREPINEPHRINE) TO ACCELERATE THE HEART RATE
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Describe the effects of the various antibiotic drugs you used. Were they all equally effective at controlling bacterial growth?
Kipish [7]

Answer:

Basically, most   antibiotic drugs  are not  effective in controlling bacterial growth. The potency of any antibiotic drugs is a measure of the magnitude of  diameter of the  bacterial growth . <u>This is because the diameter   is the measurement of the bacterial growth around the antibiotic drugs used to control it multiplication, and therefore a  measure  of how effective  it  can controls the population</u> Thus a small diameter around the antibiotic agent is a proof that it suppressed the growth effectively and can effectively be used to control  the bacteria, While  a large diameter is an indication of low effectiveness of the drug.

Based on this analogy, penicillin with wide usage for control  of bacteria growth  with  diameter of 3mm, is the most effective antibiotic drugs.However, Erythromycin which is also widely used control growth with diameter of 5mm  or 6mm depending on   type of bacterial.

Therefore, the least 3mm  diameter presented by penicillin is an indication that , antibiotic drugs  are not effective enough, and further research need to be done to control growth of bacteria and therefore its   pathogenic  effects.  

Explanation:

8 0
3 years ago
WHICH IS SAME IN MEIOSIS AND MITOSIS
konstantin123 [22]

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The chromosomes inroduces carbon factors

Explanation:

4 0
3 years ago
Where are plankton-eating fish most likely to live in a freshwater lake?
Basile [38]
I think B. I hope this helps.
3 0
3 years ago
What is this the definition of?<br><br> Reaction that disassembles polymers and absorbs water.
Monica [59]

Answer:

Hydrolysis reactions use water to breakdown polymers into monomers and is the opposite of dehydration synthesis, which forms water when synthesizing a polymer from monomers. Hydrolysis reactions break bonds and release energy.

7 0
3 years ago
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Which statement would be used in an argument against the use of human embryonic stem cells for therapy?
Marizza181 [45]

The statement 'obtaining embryonic stem cells for use in therapy requires the destruction of embryos' would be used in an argument against the use of human embryonic stem cells for therapy. It is a type of stem cell therapy.

<h3>What are embryonic stem cells?</h3>

The embryonic stem cells are cells obtained from embryos that have the property to divide and specialize into different tissues.

The embryonic stem cells can be differentiated in the laboratory for the development of specific cell lineages.

The therapy using embryonic stem cells involves the use of these types of cells and the destruction of an embryo.

Learn more about embryonic stem cells here:

brainly.com/question/18243320

7 0
3 years ago
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