---
title: Your skin is your biggest organ, about 2 square metres on an adult,… — The human body deeper: bones, muscles and skin · tree and pragmatics
description: Your skin is your biggest organ, about 2 square metres on an adult, a living coat that keeps germs out, grows goosebumps in the cold and leaves fingerprints on the window. Who acts: skin, living coat. A sentence of the lesson «The human body deeper: bones, muscles and skin» of the biology course of 
---

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# The human body deeper: bones, muscles and skin, sentence 3

<!-- .ven lang=en -->
Your skin is your biggest organ, about 2 square metres on an adult, a living coat that keeps germs out, grows goosebumps in the cold and leaves fingerprints on the window.

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**Who acts:** skin, living coat · **What happens:** be, keep out, grow, leave · **To what, where:** biggest organ, germs, goosebumps, cold, fingerprints, window

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This is a sentence of the lesson «The human body deeper: bones, muscles and skin» 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 (skin, living coat), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:263-human-body-deeper-bones-muscles-and-skin.lesson:3
# text = Your skin is your biggest organ, about 2 square metres on an adult, a living coat that keeps germs out, grows goosebumps in the cold and leaves fingerprints on the window.
# source = school lesson (ours)
# course = biology
# lesson = 263-human-body-deeper-bones-muscles-and-skin.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): R2-punct-next ×1, R5-strong ×1, R6-punct-agree ×1, R8-pos-agree ×1
1	Your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	skin	skin	NOUN	NN	Number=Sing	6	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
4	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
5	biggest	big	ADJ	JJS	Degree=Sup	6	amod	_	_
6	organ	organ	NOUN	NN	Number=Sing	0	root	_	_
7	,	,	PUNCT	,	_	11	punct	_	_
8	about	about	ADV	RB	_	9	advmod	_	_
9	2	2	NUM	CD	NumForm=Digit|NumType=Card	11	nummod	_	_
10	square	square	NOUN	NN	Number=Sing	11	compound	_	_
11	metres	metre	NOUN	NNS	Number=Plur	6	appos	_	_
12	on	on	ADP	IN	_	14	case	_	_
13	an	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
14	adult	adult	NOUN	NN	Number=Sing	11	nmod	_	_
15	,	,	PUNCT	,	_	18	punct	_	_
16	a	a	DET	DT	Definite=Ind|PronType=Art	18	det	_	_
17	living	living	NOUN	NN	Number=Sing	18	compound	_	_
18	coat	coat	NOUN	NN	Number=Sing	6	appos	_	_
19	that	that	PRON	WDT	PronType=Rel	20	nsubj	_	_
20	keeps	keep	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	18	acl:relcl	_	_
21	germs	germ	NOUN	NNS	Number=Plur	20	obj	_	_
22	out	out	ADV	RB	_	20	advmod	_	_
23	,	,	PUNCT	,	_	24	punct	_	Agree=R2-punct-next|Haiku=6:punct
24	grows	grow	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	20	conj	_	Agree=R5-strong|Haiku=6:conj
25	goosebumps	goosebump	NOUN	NNS	Number=Plur	24	obj	_	_
26	in	in	ADP	IN	_	28	case	_	_
27	the	the	DET	DT	Definite=Def|PronType=Art	28	det	_	_
28	cold	cold	NOUN	NN	Number=Sing	24	obl	_	Agree=R8-pos-agree|Haiku=24:obl|HaikuPos=ADJ:JJ:Degree=Pos
29	and	and	CCONJ	CC	_	30	cc	_	_
30	leaves	leave	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	24	conj	_	_
31	fingerprints	fingerprint	NOUN	NNS	Number=Plur	30	obj	_	_
32	on	on	ADP	IN	_	34	case	_	_
33	the	the	DET	DT	Definite=Def|PronType=Art	34	det	_	_
34	window	window	NOUN	NN	Number=Sing	30	obl	_	_
35	.	.	PUNCT	.	_	6	punct	_	Agree=R6-punct-agree|Haiku=24: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 | **is a** | present | Your skin | your biggest organ |  |  |  |  | tree rules |
| 2 | **keep out** | present | a living coat | germs |  |  |  | out *property* | vn keep-15.2 «NP V NP»: agent=Agent germ=Theme |
| 3 | **grow** | present | a living coat *not said here* | goosebumps |  | the cold |  |  | vn appear-48.1.1 «PP.location V NP»: agent=Location goosebump=Theme |
| 4 | **leave** | present | a living coat *not said here* | fingerprints |  | the window |  |  | vn keep-15.2 «NP V NP PP.location»: agent=Agent fingerprint=Theme on window=Location |

<!-- .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:biology:263-human-body-deeper-bones-muscles-and-skin.lesson:3`.

**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): R2-punct-next ×1, R5-strong ×1, R6-punct-agree ×1, R8-pos-agree ×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/).

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