Joints

1. 1Muscles bring about movement at a [blank_start]joint[blank_end]; most movements are produced by the co-ordinated action of [blank_start]several[blank_end] muscles. Muscles [blank_start]shorten[blank_end], pulling on the bone and so moving the joint. Muscles can only [blank_start]pull[blank_end], they can't [blank_start]push[blank_end], so at least [blank_start]two[blank_end] muscles are needed to move a bone to and fro. A pair of muscles that work in this way are described as [blank_start]antagonistic[blank_end]. A muscle that contracts to cause [blank_start]extension[blank_end] of a joint is called an [blank_start]extensor[blank_end]; the corresponding [blank_start]flexor[blank_end] muscle contracts to reverse the movement.

   1. Ajoint
   2. Bseveral
   3. Cshorten
   4. Dpull
   5. Epush
   6. Ftwo
   7. Gantagonistic
   8. Hextensor
   9. Iflexor
   10. Jextension
2. 2Which of the following are examples of synovial joints?

   1. Ahip
   2. Bknee
   3. Cankle
   4. Dsynapse
3. 3[blank_start]Synovial[blank_end] joints; the bones that articulate (move) in the joint are separated by a cavity filled with [blank_start]synovial fluid[blank_end], which enables them to move freely. They all have the same basic structure.

   1. ASynovial
   2. BSynaptic
   3. Csynovial fluid
   4. Dcartilage
4. 4Label the synovial joint:

   

   1. Abone
   2. Btendon
   3. Cmuscle
   4. Dligament
   5. Esynovial membrane
   6. Fsynovial fluid
   7. Gcartilage
   8. Hpad of cartilage
   9. Ifibrous capsule
5. 5Which part of the joint joins bone to bone and is strong and flexible, allowing control of the amount of movement in the joint?

   1. Aligament
   2. Bmuscle
   3. Ctendon
6. 6Which part of the joint joins muscle to bone, enabling the muscle to power joint movement?

   1. Atendon
   2. Bmuscle
   3. Cligament
7. 7the fibrous capsule secretes synovial fluid

   1. AVerdadeiro
   2. BFalso
8. 8What are the functions of cartilage?

   1. Aabsorbs synovial fluid
   2. Bacts as a shock absorber
   3. Cencloses joints
9. 9Which component of the joint acts as a lubricant, reducing friction between cartilage?

   1. Asynovial fluid
   2. Bmuscle
10. 10What is the function of the pad of cartilage?

    1. Agives additional protection
    2. Bto chill in the joint

11. 11What is the function of the fibrous capsule?

    1. Aencloses joints
    2. Bsecrete synovial fluid
12. 12Label the human knee joint:

    

    1. Afemur (thigh bone)
    2. Bpatella (knee cap)
    3. Ctibia (shin bone)
    4. Dpatella (knee cap)
    5. Efemur (thigh bone)
    6. Ftibia (shin bone)
    7. Gtibia (shin bone)
    8. Hpatella (kneecap)
    9. Ifemur (thigh bone)

Descrição

12 questions

Autor

Ella Middlemiss

Idioma

English

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Etiquetas

biology7 run for your lifea level

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