---
title: We breathe out carbon dioxide, a waste gas made by our cells. — The heart, blood and breathing · tree and pragmatics
description: We breathe out carbon dioxide, a waste gas made by our cells. Who acts: We. A sentence of the lesson «The heart, blood and breathing» of the world course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# The heart, blood and breathing, sentence 9

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We breathe out carbon dioxide, a waste gas made by our cells.

<!-- .vintro -->
**Who acts:** We · **What happens:** breathe out, make · **To what, where:** carbon dioxide, waste gas

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This is a sentence of the lesson «The heart, blood and breathing» of the world 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 (We), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:032-heart-blood-breathing.lesson:9
# text = We breathe out carbon dioxide, a waste gas made by our cells.
# source = school lesson (ours)
# course = world
# lesson = 032-heart-blood-breathing.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): no change
1	We	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	2	nsubj	_	_
2	breathe	breathe	VERB	VBP	Mood=Ind|Number=Plur|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
3	out	out	ADP	RP	_	2	compound:prt	_	_
4	carbon	carbon	NOUN	NN	Number=Sing	5	compound	_	_
5	dioxide	dioxide	NOUN	NN	Number=Sing	2	obj	_	_
6	,	,	PUNCT	,	_	9	punct	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	waste	waste	NOUN	NN	Number=Sing	9	compound	_	_
9	gas	gas	NOUN	NN	Number=Sing	5	appos	_	_
10	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	9	acl	_	_
11	by	by	ADP	IN	_	13	case	_	_
12	our	our	PRON	PRP$	Case=Gen|Number=Plur|Person=1|Poss=Yes|PronType=Prs	13	nmod:poss	_	_
13	cells	cell	NOUN	NNS	Number=Plur	10	obl	_	_
14	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **breathe out** | present | We | carbon dioxide |  |  |  |  | vn breathe-40.1.2-1 «NP V NP»: agent=Agent dioxide=Theme |
| 2 | **make** | participle |  | a waste gas *not said here* |  |  |  | by our cells | vn build-26.1-1 «NP.asset V NP»: agent=Asset |

<!-- .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.

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**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:world:032-heart-blood-breathing.lesson:9`.

**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): no change. **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/).

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