Histology
Which tissue type contains neurons that send electrical impulses?
nervous tissue
Which pigment gives skin its color?
melanin
Name the three main parts of the axial skeleton.
skull, spine, and ribcage
Which molecule provides energy for muscle contraction?
ATP
What is the basic unit of the nervous system?
neuron
Which tissue type covers body surfaces and lines organs?
epithelial
What is the purpose of sweating?
cooling/thermoregulation
Which bone forms the lower jaw?
mandible
What is the contractile unit of a muscle fiber?
sarcomere
Which part of a neuron sends signals away?
axon
What are the 4 main tissue types?
epithelial, connective, muscle, nervous
What is the outermost layer of skin?
epidermis
Which bone forms the forehead?
frontal bone
DAILY DOUBLE: What is the cell membrane of a muscle fiber called?
sarcolemma
Which part of the neuron receives signals?
dendrite
Which tissue type is voluntary and has striations?
skeletal muscle tissue
DAILY DOUBLE: Which skin layer contains blood vessels and nerve endings?
dermis
What is the shaft of a long bone called?
diaphysis
Which two proteins slide past each other during contraction?
actin and myosin
What is the process of depolarization and repolarization that drives neural activity called?
an action potential
Under a microscope, you see "tree ring" circles with a central canal. Which tissue are you viewing?
connective (compact bone)
Which gland produces skin oils?
sebaceous gland
What are the ends of a long bone called?
epiphyses
Where is calcium stored in muscle cells?
sarcoplasmic reticulum
DAILY DOUBLE: What is the name of the fatty covering that speeds up nerve impulse transmission?
myelin/myelin sheath