Final answer:
The question explores how bones thicken at muscle attachment sites in response to increased muscle strength and body weight, as seen in structures like the femur's gluteal tuberosity. It also notes that bones can thin out due to a decrease in muscle strength or weight, underscoring the importance of exercise and nutrition for bone health.
Step-by-step explanation:
The question pertains to how bones adapt to changes in muscle strength and body weight. When muscles become stronger through exercise, the points of attachment for these muscles on the bones tend to become thicker and more bumpy to ensure that there is adequate surface area for the increased force exerted by these larger muscles. This biological process is made possible by appositional growth, which involves the addition of bone tissue at the surface of bones, contributing to the overall thickening of bones.
For instance, the femur, one of the weight-bearing bones, possesses the gluteal tuberosity and linea aspera along its shaft. These areas serve as muscle attachment sites and are examples of where bones will thicken to accommodate the larger muscle attachments. In turn, this provides increased support and structural integrity for the body's skeletal system. However, a reduction in muscle strength or body weight can lead to the thinning of bones. This might occur during extensive periods of inactivity or changes in diet. It is essential for maintaining bone health to engage in regular weight-bearing exercises and ensure a healthy, balanced diet.
The complete question is:
Thicker and more bumpy to accommodate the attachment of bigger muscles. T/F