какую роль играет скелет у позвоночных животных

какую роль играет скелет у позвоночных животных
- Предмет:
  Биология
- Автор:
  mimiu8fu
- 6 лет назад

Ответы 1

Скелет защищает внутренние органы животных, формирует жёсткий остов тела, кости работают как рычаги, приводимые в движение мышцами, амортизируют движение, а также осуществляют кроветворную функцию и участвуют в обмене веществ как место хранения кальция и фосфора.
- Автор:
  leohi3h
- 6 лет назад
- 0
Добавить свой ответ

Еще вопросы

запиши три выражения,в которых уменьшаемое больше числа 24,и найди их значения
- Предмет:
  Математика
- Автор:
  beanierichardson
- 6 лет назад
- Ответов:
  
  1
- Смотреть
Помогите пожалуйста хотя бы с одним номером)Срочно!!!
- Предмет:
  Математика
- Автор:
  abril
- 6 лет назад
- Ответов:
  
  1
- Смотреть
5y"-2y=0
Помогите пожалуйста)))))
- Предмет:
  Алгебра
- Автор:
  jordinigjs
- 6 лет назад
- Ответов:
  
  1
- Смотреть
1.How many ... doyou have? A.child B.children C.childs
2.I like your trousers. ... new A.Are they B. Is it C.Is they
3.I`d like ... plums?please. A.an B. some C. that
4.Can I have ... please? A.two toasts B.two slice of toast C. two slices of toast
5.Don`t look at ... . It can hurt your eyes. A.a sun B. sun C. the sun
6.Would you like ... chocolate biscuit? A. a last B. last C. the last
7.The plane arrives at ... Airport. A.Gatwick B. a Gatwick C.the Gatwick
8.Helen started to play ... when she was eight. A. a tennis B. the tennis C. tennis
9.We haven`t got ... sugar left. A. some B.a C. any
10.How ... the bus ticket to the city centre? A.much is B. many is C.many are
11.Mike lekes me but I don`t like ... . A. he B. his C. it
12.That`s a nice cell phone. Does ... take photos? A.he B.she C. it
13.Who`s that in the photo?- It`s ... . A.we B. us C.I
14.Do you like ...? A.Sally`s cooking B.the cooking of Sally C. Sally` cookind
15.George is ...? A.brother of Tom B.Tom`s brother C. Toms` brother
16.They feel sick and ... heads hurt. A.them B.their C.theirs
17.This dictionary doesn`t belong to me. It`s ... . A.her B.hers C.her`s
18.I`d like come pears. How much are .. behind you? A.these B.those C.they
19.What did tou think of ... film we saw last week? A. this B. these C.that
20.Hello,can i speak to Eleanor?... is Eleanor speaking. A. that B. those C. this
21.Where are my keys?I can`t find them ...? A.anywhere B.nowhere C.somewhere
22.Joan wasn`t hungry so she didn`t eat ... . A.something B.nothing C.anything
23.Everybody in my town .. friendly. A.are B.aren`t C.is
24.Kate doesn`t like blue jeans. She prefers black... . A.one B.ones C. them
25.I`m making a cup of coffee? Would you like ... ? A.one B.ones C.this
26.Sam has got an appointment... the doctor's in the morning. A.in B.ones C.by
27.Arnold Schwarzenegger was born ... Austria. A.in B.at C.from
28.My house ... the red house and the brown one. A.in B. in front of C.between
29.Is the supermarket open ... Sunday morning? A.in B. at C. on
30.We discovered this hotel ... chance-we intended to stay at a different one. A.on B.with C.by
31.This exercise isn`t so difficult ... the last one. A.lake B.As C.than
32.Mr.MeFadden in the ... person in onr street. A. more friendly B.friendliest C.friendlyest
33.Steve`s watch was ... than Mark`s. A.expensiver B.more expensive C.the most expensive
34.Make sure you answer the questions... . A.careful B.cfarefuller C.carefully
35.Carlo can drive ... . A.good B.goodty C.well
36.Laptop computers ... batteries. A.areusing B.uses C.use
37.Laura is a nurse;she ... in a hospital. A.works B. work C.working
38.David isn`t very well;he ... a bad coid. A.is having B. `s got C. `ve got
39.What ... right now? A. do you do B.are you do C.are you doing
40.Frank ... a shower at the moment. A. has B.has got C.is having
41. ... your grandparents from France? A.Was B.Did C.Were
42.He ... his little brother to the zoo last Saturday. A.take B.takes C. took
43. ... to Paul`s party last night? A.Did you go B. Went you C.Did you went
44.The children ... at college yesterday. A.wasn`t B. weren`t C. didn`t be
45.Don`t touch the cooker.You ... youself. A.will burn B.are going to burn C.burn
46.Is it going to rain?-No, ... . a. it isn`t B.isn`t it C.it is
47.I didn`t talk to her.- Why ... you talk to her? A.Why B.Why did C. Why didn`t
48. ... do you speak better,German or Italian? A.What B. Whose C. Which
49.Someone Has left a jacket here. ... jacket is it? A.Who B.What C.Whose
50. ... Maria`s weddeng?- It was lovely. A. How B. What was C.How was
- Предмет:
  Английский язык
- Автор:
  bubishx
- 6 лет назад
- Ответов:
  
  0
- Смотреть

какую роль играет скелет у позвоночных животных

Ответы 1

Топ пользователей