Skeletal System
connection between two or more bones of the skeleton
joint
a colorless jelly-like substance found inside cells in which food elements such as proteins, fats, carbohydrates, mineral salts, and water are present.
protoplasm
uppermost and largest bone in the arm, extending from the elbow to the shoulder.
humerus
the middle part of the muscle
belly
is an automatic reaction to a stimulus that involves the movement of an impulse from a sensory receptor along the sensory nerve to the spinal cord.
reflex
forms the physical foundation of the body and is composed of 206 bones.
skeletal system
is the dense, active protoplasm found on the center of the cell
nucleus
inner and larger bone in the forearm attached to the wrist and located on the side of the little finger
ulna
the part of the muscle that moves and is farthest from the skeleton
insertion
is the part of the central nervous system contained in the cranium.
brain
bone that forms the front of the head
frontal bone
is the cell part that encloses the protoplasm and permits soluble substances to enter and leave the cell.
cell membrane
flexible joint composed of a group of eight small irregular bone held together by ligaments
carpus
muscles that draws a body part inward in the hand
adductors
consists of the brain, spinal cord, spinal nerves, and cranial nerves.
central nervous system
bone that forms the prominence of the cheeks
zygomatic bones
basic units of all living things
cells
smaller bone in the forearm on the same side as the thumb
radius
heavy, long bone that forms the leg above the knee.
femur
whitish cords made up of bundles of nerve fibers, held together by connective tissue, through which impulses are transmitted.
nerves
u-shaped bone at the base of the tongue that supports the tongue and it's muscles
hyoid bone
is the usual process of cell reproduction of human tissues that occurs when the cell divides into two identical cells called daughter cells
mitosis
bones of the palm of the hand
metacarpus
muscle of the neck that lowers and rotates the head
sternocleidomastoideus
the largest and longest nerve in the body
sciatic nerve