Drag each tile to the correct location. not all labels will be used.
identify the phases in the life cycle of small and big stars.
supernova: in this stage_
the star collapses and
produces elements heavier
than iron.
planetary nebula: in this
stage, the star emits strong
energy pulses that push
away the outer layers
creating a cloud of ionized
gas around the core.
neutron star: in this
stage, the star has
reduced to an extremely
dense core.
white dwarf: in this stage,
the star has reduced to a
dense core.
giant
average star
supergiant
massive star
black hole

a = executive branch; b = judicial branch

these muscles maintain the blood pressure in the vessels. the smooth muscles are innervated by nerves of the autonomic nervous system. when the muscles contract, they cause vasoconstriction of the vessels and increase blood pressure. when the muscles relax, they enable vasodilation of the   blood vessels hence reduce blood pressure.  

osteogenesis imperfecta (oi) refers to a congenital ailment of bones. in the condition, the bones become brittle or fragile. this ailment is a general result of the defect or mutations in the genes (colia1 or colia2). this mutation results in imperfect collagen formation either in quantity or quality wise.  

there are eight kinds of oi defects, and each kind varies with certain distinctions in symptoms. the usual symptoms include frequent bone fractures, loss of hearing in infants, protruding eyes, discoloration of the white in the eyes, respiratory issues, loosening of the joints, short stature, and other symptoms.