4th Grade - FOSS - Human Body

17 terms by theresamiddleton

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Investigation 2 and 3

joint

the place where 2 bones meet most joints, as in the skull, are filled and do not move

articulated

jointed or joined in sections as in the human skeleton

opposable thumb

is posistioned opposite the other fingers

immobilized

to prevent something from moving

thumbs

are essential for performing everyday tasks easily

compensate

to do something another way

hinge joints

knees, elbows 2 end joints of fingers and toes like a gate large, flex close and extend open 2. a place where two bones meet, allowing movement in two direction

ball-and-socket joint

hips and shoulders- move 3 different ways up and down front and back and rotate

gliding joint

all other joints moves 2 directions doesn't rotate

corpenpate

do something in another way

tissue

any of a number of different kinds of materials that make up the body, such as muscle, tendon, and bone

muscle

tissue that can contract, producing movement

contract

to become smaller or shorter in length

tendon

ropelike tissue that connects muscle to bone

Three muscle types

1. Smooth.
2 Voluntary
3 Involuntary

Voluntary muscles

muscles that can be controlled consciously. They move when you think about what you want them to do. (arms and legs for walking or running)

Involuntary muscles

muscles that automatically do their jobs without you needing to think about it. These muscles run all the jobs inside the body, such as breathing and digesting. (the heart pumping)

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