---
title: Ribs protect the heart and lungs, and the lowest two pairs are float… — Bones by name: the skull, jaw, spine and ribs · tree and pragmatics
description: Ribs protect the heart and lungs, and the lowest two pairs are floating ribs, not joined at the front, which leaves room to breathe and bend. Who acts: Ribs, lowest two pairs, front. A sentence of the lesson «Bones by name: the skull, jaw, spine and ribs» of the biology course of Mova's primary scho
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/357-bones-by-name-the-skull-jaw-spine-and-ribs/13/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/school/biology/) / [Bones by name: the skull, jaw, spine a…](https://md.mova.elamur.ai/free/en/corpora/school/biology/357-bones-by-name-the-skull-jaw-spine-and-ribs/) / 13

# Bones by name: the skull, jaw, spine and ribs, sentence 13

<!-- .ven lang=en -->
Ribs protect the heart and lungs, and the lowest two pairs are floating ribs, not joined at the front, which leaves room to breathe and bend.

<!-- .vintro -->
**Who acts:** Ribs, lowest two pairs, front · **What happens:** protect, float, not join, leave, breathe, bend · **To what, where:** heart, ribs, front, room

<!-- .vabout -->
This is a sentence of the lesson «Bones by name: the skull, jaw, spine and ribs» of the biology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Ribs, lowest two pairs, front), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:357-bones-by-name-the-skull-jaw-spine-and-ribs.lesson:13
# text = Ribs protect the heart and lungs, and the lowest two pairs are floating ribs, not joined at the front, which leaves room to breathe and bend.
# source = school lesson (ours)
# course = biology
# lesson = 357-bones-by-name-the-skull-jaw-spine-and-ribs.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×1
1	Ribs	rib	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	protect	protect	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	heart	heart	NOUN	NN	Number=Sing	2	obj	_	_
5	and	and	CCONJ	CC	_	6	cc	_	_
6	lungs	lung	NOUN	NNS	Number=Plur	4	conj	_	_
7	,	,	PUNCT	,	_	14	punct	_	_
8	and	and	CCONJ	CC	_	14	cc	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
10	lowest	low	ADJ	JJS	Degree=Sup	12	amod	_	_
11	two	two	NUM	CD	NumForm=Word|NumType=Card	12	nummod	_	_
12	pairs	pair	NOUN	NNS	Number=Plur	14	nsubj	_	_
13	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	14	aux	_	_
14	floating	float	VERB	VBG	VerbForm=Ger	2	conj	_	_
15	ribs	rib	NOUN	NNS	Number=Plur	14	obj	_	_
16	,	,	PUNCT	,	_	18	punct	_	_
17	not	not	PART	RB	Polarity=Neg	18	advmod	_	_
18	joined	join	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	15	acl	_	Agree=R5-strong|Haiku=14:advcl
19	at	at	ADP	IN	_	21	case	_	_
20	the	the	DET	DT	Definite=Def|PronType=Art	21	det	_	_
21	front	front	NOUN	NN	Number=Sing	18	obl	_	_
22	,	,	PUNCT	,	_	24	punct	_	_
23	which	which	PRON	WDT	PronType=Rel	24	nsubj	_	_
24	leaves	leave	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	21	acl:relcl	_	_
25	room	room	NOUN	NN	Number=Sing	24	obj	_	_
26	to	to	PART	TO	_	27	mark	_	_
27	breathe	breathe	VERB	VB	VerbForm=Inf	25	acl	_	_
28	and	and	CCONJ	CC	_	29	cc	_	_
29	bend	bend	VERB	VB	VerbForm=Inf	27	conj	_	_
30	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **protect** | present | Ribs | the heart and lungs |  |  |  |  | vn defend-72.3 «NP V NP»: agent=Agent heart=Beneficiary |
| 2 | **float** | present · progressive | the lowest two pairs | ribs |  |  |  |  | vn run-51.3.2-2 «NP V NP»: agent=Agent rib=Agent |
| 3 | **not** **join** | participle |  | ribs *not said here* |  | the front |  |  | vn mix-22.1-2-1 «NP V»: agent=Patient |
| 4 | **leave** | present | the front | room |  |  |  |  | vn keep-15.2 «NP V NP»: agent=Agent room=Theme |
| 5 | **breathe** | to-infinitive | the front *not said here* | room *not said here* |  |  |  |  | vn breathe-40.1.2-1 «NP V»: agent=Agent |
| 6 | **bend** | infinitive | the front *not said here* |  |  |  |  |  | vn assuming\_position-50 «NP V»: agent=Agent |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

<!-- div src -->

**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:biology:357-bones-by-name-the-skull-jaw-spine-and-ribs.lesson:13`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×1. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

<!-- /div -->

<!-- pn -->
- ← previous: [Bones by name: the skull, jaw, spine a…, 12](https://md.mova.elamur.ai/free/en/corpora/school/biology/357-bones-by-name-the-skull-jaw-spine-and-ribs/12/)
- next →: [Bones by name: the skull, jaw, spine a…, 14](https://md.mova.elamur.ai/free/en/corpora/school/biology/357-bones-by-name-the-skull-jaw-spine-and-ribs/14/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/357-bones-by-name-the-skull-jaw-spine-and-ribs/)

