Human Physiology and Challenges in Space

The video discusses the challenges of human physiology in space, including muscle atrophy, bone density loss, and congestion due to microgravity. It highlights the radiation risks from Galactic cosmic rays and solar radiation, which increase cancer risk. The psychological effects of isolation and monotony during long-term space missions are also explored, emphasizing the need for social interaction and the sacrifices made for space exploration.

How does the body feel after spending months in zero gravity?

• Like climbing a mountain.

• Like being in bed for months.

• Like running a marathon.

• Like swimming in the ocean.

What is a key challenge when landing on Mars after a long space journey?

• Communicating with Earth.

• Adjusting to gravity.

• Finding water.

• Building a shelter.

What happens to human bones in a microgravity environment?

• They become stronger.

• They grow faster.

• They leech out minerals.

• They remain unchanged.

What is a major concern when traveling to Mars?

• Galactic Cosmic Rays.

• High gravity.

• Extreme cold.

• Lack of oxygen.

What is the effect of prolonged exposure to space radiation?

• Increased cancer risk.

• Better sleep.

• Stronger muscles.

• Improved vision.

Why is isolation a challenge in space travel?

• Lack of sunlight.

• Lack of food.

• Lack of exercise.

• Distance from civilization.

What is the environment like inside a spacecraft?

• Dark and gloomy.

• Colorful and vibrant.

• Monotonous and gray.

• Bright and sunny.

What is the psychological impact of long space missions?

• Improved memory.

• Heightened anxiety.

• Enhanced creativity.

• Increased happiness.

How do astronauts cope with the monotony of space travel?

• By sleeping more.

• By staying active.

• By eating more.

• By watching movies.

What is the significance of human sacrifice in space exploration?

• It is pointless.

• It is purely for entertainment.

• It serves a greater cause.

• It is unnecessary.