cell
teeth, stomach, liver, and intestine are the _____ system
digestive
nerves, brain, and spinal cord are _____ system
nervous
lungs, bronchial tubes, nose are the _____ system
respiratory
skin, hair, nails, glands are _______ system
cardiac, smooth, and skeletal _______
muscles
powerhouse of the cell
mitrochondria
the true skin is the
dermis
growth plate of the long bone is the
epiphysis
functional unit of the muscle is the
sacromere
planes that divide the body equal right and left parts
midsagittal
trash compactors of the cell
lysosomes
epidermis has _____ layers
area of the bone involved in articulation
condyle
two strands in the muscle filament
actin and myosin
bone, blood and fat are which type of tissue
connective tissue
a network of membranous tubules within the cytoplasm of a eukaryotic cell
endoplasmic reticulum
the color of someone's skin is determined by the number of melanocytes T/F
False
part of a bone that is air filled and lined with a mucous membrane
sinus
there are approximately ______ muscles in the body
650
4 organic compounds in a human body
nucleic acids, proteins, carbohydrates, and lipids
the process cells use to convert energy from food, primarily glucose, into a usable form called adenosine triphosphate (ATP)
cellular respiration
the name of the muscle that pulls the hair up
arrector pilli
flat bone in the axial skeleton
flat bone in the appendicular skeleton
ribs, sternum
scapula, ilium
muscle fibers shorten because the thick myosin filaments pull the thin actin filaments closer together within the sarcomere is known as the.
sliding filament theory
__________ plane divides the body into 2 directions
oblique