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snow_lady [41]
4 years ago
12

Ejaculation occurs when the____________________ system stimulates smooth muscle of the ductus deferens, ejaculatory ducts, and t

he prostate gland to _____________________.
Biology
2 answers:
soldier1979 [14.2K]4 years ago
8 0
Ejaculation occurs when the sympathetic nervous system stimulates smooth muscles of the ductus deferens, ejaculatory ducts, and the prostate gland to contract.
The sympathetic nervous system has to do with many actions in our bodies, but also has an important effect on men during the state of sexual arousal. It affects their reproduction organ to fulfill the actions it was created to do during sexual intercourse.
MariettaO [177]4 years ago
8 0
Parasympathetic nervous system; contract
Ejaculation is a response to the stimulation of an erect penis. Semen is released during ejaculation, which consists of the necessary fluid and cells to carry out the process of fertilization. During ejaculation, the seminal vesicles also contract so that their fluid is added to the semen. The contraction of the internal urethral sphincter prevents urine from entering the semen and the also keeps the semen from entering the bladder.
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Pleaaase help , and show work if you can
charle [14.2K]

Answer:

1. 39 J; 2. 3.9 % usable; 3. 96.1 % unusable

Step-by-step explanation:

1. Available energy

Energy consumed              = 1000 J

Less waste         = - 177 J

Less respiration = <u>-784 J </u>

Total energy lost                = <u>-961 J </u>

Available energy                =   39 J

2. Percent of total energy usable

The chipmunk could use only 39 J of the original 1000 J.

% of energy usable = 39 J/1000 J × 100 % = 3.9 %

3. Percent of energy unusable

The chipmunk lost 961 J of the original 1000 J.

% of energy unusable = 961 J/1000 J × 100 % = 96.1 %

6 0
3 years ago
Type the correct answer in the box. Spell all words correctly. On what does consumer's willingness to pay depends? Consumers' wi
DerKrebs [107]

Answer:

<em>The willingness of a consumer to pay depends on the </em>

  • <em>preference of customers</em>
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  • <em> price of related goods</em>

Explanation:

A consumer will be more willing to pay for a product which he prefers. His preference might be any brand or any authentic ability that must be present in the product.

The income of the consumers also depicts the willingness for a consumer to pay for a product. While buying anything, consumers do have to look for the planned budget for the product as he cannot buy anything beyond his resources.

While buying a product, the consumer might also look for the prices of the related products in the market and choose the product which is reliable for him.

5 0
3 years ago
A population of fruit flies on an island lay their eggs in some rotting fruit. Some of the fruit is blown into the ocean by a st
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They no probably no longer eat the same things, or one of the populations has adapted to its environment and the other flies continue to be normal. 

5 0
3 years ago
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Answer:

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a. The given statement is false, as the force of contraction is produced by microtubule and actin bundles that produce the contractile ring.  

b. The given statement is true, as, with the constriction of the contractile ring, the thickness also increases so that the volume remains the same.  

c. The given statement is false, as the midbody gets generated from bipolar microtubule array.  

d. The given statement is false, as local activation of Rho GTPase stimulates the alignment and contraction of the contractile ring.  

6 0
3 years ago
Imagine you want to study one of the human crystallins, proteins present in the lens of the eye. To obtain sufficient amount of
eduard

Answer:    cDNA   library will be  created .

and  mRNA from human cells to serve as   source of  crystallins will be used

Explanation:

6 0
3 years ago
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