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At the time of sexual excitation, muscles in penis
  • a)
    Relaxed
  • b)
    Contracted
  • c)
    collapsed
  • d)
    None
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
At the time of sexual excitation, muscles in penisa)Relaxedb)Contracte...
Muscles in Penis during Sexual Excitation

During sexual excitation, various changes occur in the male body that lead to an erection. One of the important changes that occur is the relaxation of muscles in the penis. Let's discuss this in detail.

Erection Process

The erection process is a complex mechanism that involves the interplay of various factors, including hormones, neurotransmitters, and blood flow. The process can be divided into three phases:

1. Excitement phase: During this phase, the body responds to sexual stimuli, and the brain sends signals to the nerves in the penis.

2. Plateau phase: In this phase, the penis becomes erect, and the testicles move closer to the body.

3. Orgasmic phase: This is the final phase, during which the body experiences an orgasm, and the penis returns to its flaccid state.

Muscles in Penis

The penis is composed of three cylindrical structures, which are called corpora cavernosa. These structures are filled with spongy tissue, and they are surrounded by a layer of connective tissue. The corpora cavernosa are responsible for the erection of the penis.

When the body responds to sexual stimuli, the brain sends signals to the nerves in the penis. These signals cause the smooth muscles in the corpora cavernosa to relax. As a result, the blood vessels in the penis dilate, and blood flow to the penis increases. This increased blood flow fills the spongy tissue in the corpora cavernosa, causing the penis to become erect.

Conclusion

In conclusion, during sexual excitation, muscles in the penis relax, allowing for increased blood flow to the spongy tissue in the corpora cavernosa. This increased blood flow leads to an erection.
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At the time of sexual excitation, muscles in penisa)Relaxedb)Contracte...
Corpora cavernosa becomes relaxed during erection so anwer must be relaxed
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All astronauts look forward to living in the lonely and unpredictable environment of space. In low earth orbit, for instance, you get to see 16 sunrises and 16 sunsets!For the day fades into night every 45 minutes as the spacecraft rotates slowly to keep its solar panels facing the sun. Viewers in Delhi shared a bit of this excitement with Sunita Williams aboard the international Space Station, when she tele chatted with them earlier this month.Astronauts spend long periods in weightlessness of zero gravity. It may be fun for us sitting in our gravity cocooned rooms and watching them on TV, as they float around.But inside their bodies things are happening that arent any fun at all. Scientists study the effects of outer space on the human body to see how it behaves in zero gravity and then re-adapts to earths gravity at the end of the spaceflight. In space the number of red blood cells, bone and muscle tissues are all altered and the metabolic process upset.On Earth, gravity pulls blood to lower body, away from the head. Nerves called the baroreceptors detect this and redirect blood flow, ensuring that the brain gets enough oxygen and sugar. In space baroreceptors dont sense any pressure difference and the astronaut flies with an atypical redistribution of blood. On earth we build bones by running or jumping. But without gravity, the bones begin to lose calcium, which is absorbed in the body. (Bedridden and paraplegics suffer the same problem, losing 30% of their lower body bone mass within months).The minerals lost from the leg and hipbones arent excreted and they migrate to the head, making the skull dense. This is the bodys way of making better use of its resources: legs are useless in space, so the body moves to protect the brain!.Unlike on earth there is no muscle tension in space.Muscles are relaxed, stretched and actually grow by five to seven inches in a space flight. Surprisingly one gets taller while one sleeps, too, because of relaxed muscles - sometimes enough to readjust ones cars rear-view mirror in the morning. To offset this, the astronauts aboard the ISS exercise on a treadmill every day. So every space payload has a large component of medical experiments to help scientists figure out what we gain-or lose-up there.Q. The main purpose of the author in the passage is to

All astronauts look forward to living in the lonely and unpredictable environment of space. In low earth orbit, for instance, you get to see 16 sunrises and 16 sunsets!For the day fades into night every 45 minutes as the spacecraft rotates slowly to keep its solar panels facing the sun. Viewers in Delhi shared a bit of this excitement with Sunita Williams aboard the international Space Station, when she tele chatted with them earlier this month.Astronauts spend long periods in weightlessness of zero gravity. It may be fun for us sitting in our gravity cocooned rooms and watching them on TV, as they float around.But inside their bodies things are happening that arent any fun at all. Scientists study the effects of outer space on the human body to see how it behaves in zero gravity and then re-adapts to earths gravity at the end of the spaceflight. In space the number of red blood cells, bone and muscle tissues are all altered and the metabolic process upset.On Earth, gravity pulls blood to lower body, away from the head. Nerves called the baroreceptors detect this and redirect blood flow, ensuring that the brain gets enough oxygen and sugar. In space baroreceptors dont sense any pressure difference and the astronaut flies with an atypical redistribution of blood. On earth we build bones by running or jumping. But without gravity, the bones begin to lose calcium, which is absorbed in the body. (Bedridden and paraplegics suffer the same problem, losing 30% of their lower body bone mass within months).The minerals lost from the leg and hipbones arent excreted and they migrate to the head, making the skull dense. This is the bodys way of making better use of its resources: legs are useless in space, so the body moves to protect the brain!.Unlike on earth there is no muscle tension in space.Muscles are relaxed, stretched and actually grow by five to seven inches in a space flight. Surprisingly one gets taller while one sleeps, too, because of relaxed muscles - sometimes enough to readjust ones cars rear-view mirror in the morning. To offset this, the astronauts aboard the ISS exercise on a treadmill every day. So every space payload has a large component of medical experiments to help scientists figure out what we gain-or lose-up there.Q. It can be inferred from the passage that living in space _____.

At the time of sexual excitation, muscles in penisa)Relaxedb)Contractedc)collapsedd)NoneCorrect answer is option 'A'. Can you explain this answer?
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