The Skeletal System
Web Site Explorations
(1) The smooth, hard outer part of each bone is called___________bone.
(2) The inner part of the bone that looks like a sponge is called___________bone.
(3) The innermost area of the bone that looks like thick jelly is the________________. This is where red blood cells are produced.
(4) The human body has approximately________bones.
(5) Soft, flexible bone is called________________.
(6) The human spine is made of 33 ring shaped bones called____________.
(7) 95% of people have_______pairs of ribs. They are all attachedin the back to the spine.
(8) The____________has 30 different bones. Its function to protect the brain and give a shape to the face.
(10) The shoulder blade is called the________________.
(11) Each arm has three
bones: the_____________, the_____________and
the ______________.
(12) The____________protects the digestive system and is attached to the legs.
(13) The longest bone
in the body goes from the pelvis to the knee. It is called the
_______________.
(14) The two leg bones
located beneath the knee are the______________and
the______________.
(15) Two bones meet at a______________.
(16) Two types of moving
joints are a_____________joint and a _____________
joint.