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Why are last two pairs of ribs known as ...

Why are last two pairs of ribs known as floating ribs?

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### Step-by-Step Solution: 1. **Understanding Ribs**: Ribs are bones that form the rib cage, which protects the chest cavity and supports the upper body. There are twelve pairs of ribs in humans. 2. **Classification of Ribs**: Ribs are classified based on their connection to the sternum (the chest bone). The first ten pairs of ribs are directly connected to the sternum. 3. **Identifying Floating Ribs**: The last two pairs of ribs, which are the 11th and 12th pairs, do not connect to the sternum. Instead, they are only connected to the 10th rib. ...
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The last two pairs of ribs are named floating ribs because

The floating ribs are

There are 11 pairs of ribs in man

The last two pairs of ribs are called (i) ribs because they are (ii) to the breastbone in the front. Select the correct option for (i) and (ii).

Fill in the blanks spaces: (a) All mammals (except a few) have ______ cervical vertabra. (b) The number of phalanges in each limb of human a ______ (c) _____ and ____ pairs of ribs are called floating ribs. (d) the human cranium is made of ____ bones.

Consjder the following four statements (A-D) regarding ribs and select the correct option stating true(T) and false (F) statements A. They have two articulation surfaces on their ventral ends, hence are called bicephalic. B. True ribs are ventrally connected to sternum with the help of elastic cartilage. C. Normally there are two pairs of floating ribs in man. D. False ribs don't 'articulate with the sternum directly.

8th , 9th and 10th pair of ribs

The number of floating ribs is