Fig. 1: The Skeletal System (from eMind Pig)

Name the bone indicated by #9.

Question

Fig. 1: The Skeletal System (from eMind Pig)

Name the bone indicated by #9.

BlackTom AI · Accepted Answer

Begin by considering the labeled bone numbered 9 in the diagram: it is part of the hind limb and lies between the hip region and the knee joint.
Option 1 (Mandible): The mandible is the lower jawbone, located in the head, not in the limb. This is clearly not where #9 sits.
Option 2 (Skull): The skull is the head’s bony enclosure, far from the hind limb, so it cannot correspond to #9.
Option 3 (Cervical Vertebrae): These are neck bones, part of the spinal column, again not in the leg region.
Option 4 (Thoracic Vertebrae): The mid-spine bones; their location is along the torso, not the limb.
Option 5 (Lumbar Vertebrae): Lower back vertebrae; these are internal spine components, not limb segments.
Option 6 (Sacrum): A fused pelvic bone segment at the base of the spine, not a limb bone.
Option 7 (Caudal Vertebrae): Tail vertebrae; irrelevant to the leg region in this skeletal diagram.
Option 8 (Pelvis): The pelvic girdle is the hip area, but not a long bone of the leg itself.
Option 9 (Femur): The femur is the thigh bone, the largest bone in the hind limb, extending from the hip to the knee—this matches the position and size of the bone labeled #9 in the image.
Option 10 (Patella): The kneecap; a small sesamoid bone, not the long bone shown at #9.
Option 11 (Tibia): The shin bone, located lower in the leg; in this diagram, the tibia would be situated nearer the lower leg, not at the thigh region.
Option 12 (Fibula): The thinner bone alongside the tibia in the lower leg; again, not the long bone at #9.
Option 13 (Tarsals): Ankle bones; far from the thigh.
Option 14 (Metatarsals): Foot bones in the distal part of the limb.
Option 15 (Phalanges): Toe bones; they are the most distal subset of the foot.
Option 16 (Ribs): Ribs are part of the thoracic cage, not the limb.
Option 17 (Sternum): The breastbone in the chest, not related to the leg.
Option 18 (Scapula): The shoulder blade; part of the upper limb girdle, not the femur.
Option 19 (Humerus): Upper arm bone; located in the front limb, not the hind limb here.
Option 20 (Radius): Forearm bone; not relevant to the hind limb.
Option 21 (Ulna): The other forearm bone; again not the hind limb.
Option 22 (Carpals): Wrist bones; not the thigh.
Option 23 (Metacarpals): Hand bones; not the hind limb.
In summary, only the Femur fits both the anatomical location (thigh bone between hip and knee) and the size/shape expected for the bone labeled #9 in the provided diagram.

W25 BIOL D006A 02Y Form/Funct In The Biolgcl Wrld Bone Quiz

Fig. 1: The Skeletal System (from eMind Pig) Name the bone indicated by #9.

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