Body Structure Flashcards
(33 cards)
chromosomes
carry genes; 46 in every cell (except sex cells)
genes
units of DNA that control the formation of enzymes
epithelial tissue (simple)
single layer that absorbs substances from one system to another
epithelial tissue (stratified)
multiple layers that protects deeper tissue
muscle tissue
contracts to product movement
skeletal muscle tissue
voluntary contraction
cardiac muscle tissue
surrounds the heart
smooth muscle tissue
involuntary contraction
connective tissue
supports and binds body structures; most abundant and found in blood, fat, cartilage, bone, and bone marrow
nervous tissue
sends electrical impulses throughout the body; found in brain, spinal cord, and all nerves
anatomical position
standardized reference pose used in medicine to describe location of body parts
anterior
toward the belly
posterior
toward the back
ventral
toward the belly
dorsal
toward the back
medial
midline of the body
lateral
side of the body
proximal
nearer to point of attachment or reference point
distal
farther from the point of attachment or reference point
superior
above
inferior
below
cranial
toward the head
caudal
toward the tail bone
superficial
closer to the surface of the body
