LATEST 2025
Take a moment to imagine that you just landed on the surface of Mars. You exit your spacecraft
and step onto Martian soil--the first human in history to ever do so. You look around you. What
would you see? How do you feel? Most importantly, what would you do first? - Answers
Reestablish a line of communication with Mission Control
Using the evidence in this report, what do you observe happening to astronauts during
spaceflight? - Answers An increase in muscle loss
A decrease in muscle size
A decrease in muscle strength
Why might muscle loss be a problem for the success of your mission? Such actions could lead
to....(select all that apply) - Answers Difficulty setting up a base on Mars
Difficult maintaining the crew's ship on-route to Mars
Difficulty traveling across Mars to collect samples
Difficulty bracing for emergency situations that require quick, coordinated movement
So what are you doing about it? - Answers Find a way to counteract this loss in muscle function
Do you think relaxing in this way will require the use of your muscles? - Answers Yes
# Types of Muscle - Answers Cardiac muscles are
Smooth muscles move
Skeletal muscles are
Label the diagram appropriately - Answers The bicep is the contracting muscle
Triceps is the relaxing muscles
Take a look at the soccer player as he kicks the ball across the field. Then, label the diagram to
explain how this happens. - Answers 1 contracting muscle
2 origin
3 relaxing muscle
4 insertion
Inside a muscle cell - Answers True - actin and myosin are both proteins that make up the two
types of filaments