BODY ORGANIZATION & ORGAN SYSTEMS Flashcards
cells
basic units of life
powerhouse
cell membrane
thin, permeable outer layer which substances can pass thru
Cytoplasm
liquid containing cells structures
Mitochondria
Makes energy (ATP) for the cell
Nucleus
Contains chromosomes - DNA
Cells
smallest living unit in body
Tissues
Cells that are similar & organized form together as tissues
ORGAN
2 or more tissue types form to create organ
Organ system
a group of organs that work together
CELLS-TISSUE-ORGAN-ORGAN SYSTEMS
4 TYPES OF TISSUES
EPITHELIAL (skin)
NERVOUS
MUSCLE
CONNECTIVE TISSUE
INTEGUMENTARY SYSTEM
SKIN AND ACCESSORY ORGANS (HAIR)
SKELETAL SYSTEM
BONES AND JOINTS
MUSCULAR SYSTEM
MUSCLES AND CONNECTING STRUCTURES
LYMPHATIC SYSTEM
LYMPH NODES, SPLEEN
RESPIRATORY SYSTEM
LUNGS AND AIRWAYS
DIGESTIVE (4) SYSTEM
MOUTH, ESOPHAGUS, STOMACH AND INTENSTINES
NERVOUS (3) SYSTEM
BRAIN, SPINAL CORD, NERVES
ENDOCRINE SYSTEM
GLANDS THAT SECRETE HORMONES
CARDIOVASCULAR SYSTEM
HEART AND BLOOD VESSELS
URINARY
KIDNEYS, BLADDER
REPRODUCTIVE (5)
OVARIES, UTERUS, VAGINA, TESTES, PENIS
