× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
New Topic  
mandy! mandy!
wrote...
Posts: 57
Rep: 0 0
11 years ago
1.) if you increased the relative amount of collagen in a bone, while keeping the calcium levels the same, how would the physical characteristics of the bone be changed?

2.) astronauts exercise in space on a daily basis, yet they still have problems with bone weekness when they stay in space for extended periods. why does this happen?
Read 858 times
1 Reply

Related Topics

Replies
wrote...
#1
10 years ago
2) Their entire skeletons don't bear any weight. They go through a period called skeletal unloading, in which bones lose the ability to make new bone cells and replace old ones. The movement of important minerals such as calcium and phosphorus also slows down.
hope I helped Slight Smile
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1212 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 1385
  
 325
  
 255
Your Opinion
How often do you eat-out per week?
Votes: 79
Previous poll results: Who will win the 2024 president election?