Ap bio mc questions about skeletal system

1. 

Perforating canals are 

Explanation
Perforating canals are small channels that run horizontally through the compact bone.

Skeletal system quiz with answers

These canals connect the central canals of adjacent osteons and allow for the passage of blood vessels, nerves, and lymphatic vessels. They play a crucial role in supplying nutrients and removing waste products from the bone tissue.

2. 

What is the first step to healing a fracture?

Correct Answer
C. After the break, a large blood clot, or hematoma forms

Explanation
After a fracture, a large blood clot, or hematoma, forms.

This is the first step to healing a fracture because the blood clot helps to stabilize the broken bone and provides a framework for new tissue to grow. The clot also attracts cells that are responsible for repairing the bone, such as osteoclasts, which remove damaged tissue, and osteoblasts, which build new bone.

Therefore