voluntary muscle
willkürlicher Muskel
involuntary muscle
unwillkürlicher Muskel
ossify
verknöchern
periostenum
Knochenhaut
bone marrow
Knochenmark
joint
Gelenk
to bear
tragen, ertragen
cartilage
Knorpel
tendon
ligament
musculo-skeletal system
sbucutaneous
sweat glans
sebaceous glans
perspiration
integumentary system
cell
tissue
sunken