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3 months ago
The longest bone in the human body is the femur.

The head of the femur articulates with the acetabulum in the pelvic bone forming the hip joint, while the distal part of the femur articulates with the tibia and kneecap forming the knee joint. By most measures the femur is the strongest bone in the body. The femur is also the longest bone in the human body

In the image below it has a colour : red
3 months ago
The longest bone in the human body is the FEMUR . It is the bone of thigh
The Smallest bone in the human body is the stapes or stirrup bone, located inside the ear. It is about 3 mm long.
Largest artery is the Aorta .
Largest vein is the Inferior vena cava .
Largest internal organ is the liver. It is also the heaviest organ, with an average of 1.6 kilograms (3.5 pounds).
The size of the fumur.
19.9 inches
The femur is the longest bone found in the human body. It is almost 19.9 inches long and is commonly known as the thigh bone. One can evaluate that femur is the longest bone just by looking at his/her thigh. It runs from the hip down to around the knee area.
3 months ago
The strongest, longest, and largest bone in
the human body is the femur, or thigh
bone, which is a bone in the leg that runs
from the knee to the hip. All weight from
the upper part of the human body rests on
the leg bones when walking or standing,
and therefore these bones must be long
and strong. The human leg contains four
bones: the tibia, femur, fibula, and patella
The top end of the femur fits into the hip
socket, while its lowermost end connects to
the knee. Below the knee are the tibia and
the fibula, which are connected to the
upper leg by a hinge joint. Leg bones have
rough patches that hold muscles on their
surfaces. The contraction of muscles pull
bones, which initiate movement of the legs.
Parts of the femur include the upper part,
the body, and the lower part. The upper
part is called the proximal extremity and
contains the head, neck, two trochanters,
and neighboring structures. The head of
the femur has a minor groove that joins to
the sides of the acetabular notch through
round ligaments. It connects the shaft to
the neck, which is four to five centimeters
long. The head and the neck are firmly
embedded in the hip musculature to
prevent direct palpation. The lower and the
greater trochanter are located in the shift
area, in the middle of the neck and the head
of the femur. The greater trochanter is box-
shaped, while the lesser trochanter is cone-
Beneath the neck of the femur is its
cylindrical, long, and slender shaft (body). It
is concave from behind and convex in front,
enhancing its strength alongside the
prominent longitudinal ridge. The shaft is
also free from palpation since it has
enormous musculature of the thigh close to
it. In some cases, a third trochanter is
present on the proximal femur, and it is
rounded, oblong, and conical in shape.
However, it is a structure of less importance
in human beings.
The lower part of the femur (distal
extremity) is larger than the upper part of
the bone. It takes the shape of a cube, but it
has a large transverse diameter compared
to its anteroposterior diameter. The distal
extremity is made up of two eminences
called the condyles (lateral and medial
condyle) which are separated by patellar
surface from the front, and by the
intercondylar fossa from the back.
The only bone in the thigh is the femur, and
therefore it serves as the core socket of
connection for all muscles that exert force
over the knee and hip joints. Some muscles
such as the plantaris muscles come from
the femur. In fact, 22 distinct muscles insert
onto the femur or originate from it. In
addition, the femur acts as an axis for the
three fascial compartments of the thigh
(posterior, medial and anterior).
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