The part of the skeleton that protects the spinal cord is the $$ \begin{array}{lll} ext { (a) rib cage } & ext { (b) skull } & ext { (c) backbone } \ ext { The } & ext { is the part of the skeleton that protects the heart. } \ \begin{array}{lll} ext { (a) skull } & ext { (b) rib cage } & ext { (c) backbone }\end{array}\end{array} $$

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The part of the skeleton that protects the spinal cord is the $$ \begin{array}{lll}	ext { (a) rib cage } & 	ext { (b) skull } & 	ext { (c) backbone } \ 	ext { The } & 	ext { is the part of the skeleton that protects the heart. } \ \begin{array}{lll}	ext { (a) skull } & 	ext { (b) rib cage } & 	ext { (c) backbone }\end{array}\end{array} $$

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Let's break down the problem step by step.

1. **Identifying the first question:**
   - The question asks which part of the skeleton protects the spinal cord.
   - The options are:
     - (a) rib cage
     - (b) skull
     - (c) backbone

The correct answer is **(c) backbone**. The backbone, also known as the vertebral column or spine, encases and protects the spinal cord.

2. **Identifying the second question:**
   - The question asks which part of the skeleton protects the heart.
   - The options are:
     - (a) skull
     - (b) rib cage
     - (c) backbone

The correct answer is **(b) rib cage**. The rib cage is a bony structure that surrounds the thoracic cavity and protects vital organs such as the heart and lungs.

### Summary of Answers:
- The part of the skeleton that protects the spinal cord is the **backbone** (c).
- The part of the skeleton that protects the heart is the **rib cage** (b).
The part of the skeleton that protects the spinal cord is the backbone (c), and the part that protects the heart is the rib cage (b).

The part of the skeleton that protects the spinal cord is the

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