4th Grade - FOSS - Human Body

Terms	Definitions
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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17 terms