Question

3. Fill in the blanks.
a. The_________
is the longest bone in the human body.
b.
Smooth muscles are also known as________ muscles.
Legs are also known as ________.​

Answer 1

Answer:

A) femur

The longest bone in the human body is the femur or thigh bone which contains about 1/4 of the height of an adult. The femur is also the strongest bone in the human body.

B) Smooth muscle, also called involuntary muscle, muscle that shows no cross stripes under microscopic magnification. ... It consists of narrow spindle-shaped cells with a single, centrally located nucleus.

C)The human leg, in the general word sense, is the entire lower limb of the human body, including the foot, thigh and even the hip or gluteal region. However, the definition in human anatomy refers only to the section of the lower limb extending from the knee to the ankle, also known as the crus.

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Answer 2

a. femur is the longest bone in the human body

c. crus