EBK LIFE: THE SCIENCE OF BIOLOGY
11th Edition
ISBN: 8220103935432
Author: Sadava
Publisher: MAC HIGHER
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Chapter 47.3, Problem 2R
Summary Introduction
To review:
The changes in the bone cells’ activities that explain the loss of mass of bones, in astronauts spending long durations in international space station.
Introduction:
The formation of bone involves the combined activities of the osteoclasts (bone-destroying cells) and the osteoblast (bone forming cells). The calcium released by the activity of osteoclasts gets deposited by the osteoblast cells.
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Chapter 47 Solutions
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- Exposure to optimum amounts of sunlight is necessary for proper bone maintenance and growth in If a child lives in an area where exposure to sunlight is rare because of pollution or overcast skies, what can be done to minimize impaired bone maintenance and growth?arrow_forwardDescribe how exercise and mechanical stress affect bone tissue.arrow_forward1). Embryonic growth of the femur. What cell will this process start with? 2). What type of cartilage growth begins with this type of cell? 3). These cells, which are found at the perimeter, will divide to produce what kind of cell? 4). Once it is sorrounded by matrix it becomes a? 5). What process causes the cartilage model to grow length? 6). What type of cell starts this process? 7). The models for the long bones, including the femur develop between 8 and 12 weeks gestation. What type of tissue is this model? 8). After 12 weeks, the cartilage model begins to calcify it's process called? 9). This process starts in the future diaphysis of the bone. Here, chondrocytes get larger meaning they start to and eat away the cartilage matrix is?arrow_forward
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