Tag: skeletal system and muscles

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Questions Related to skeletal system and muscles

Multiple choice evs bones skeletal system and muscles assimilation of food components and importance of food

Human vertebral column has

  1. Four curves

  2. No curves

  3. Three curves

  4. Two curves
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

  • The vertebral column in adults have four curvatures and are classified as- primary or secondary curvatures.
1) The primary curves are the ones which are retained from the fetal curvature 
  • It is retained in two regions as the thoracic curve which consists of thoracic vertebrae and the sacrococcygeal curve.
2) Whereas, the secondary curvatures develop gradually after the birth as the child learns to sit upright, stand and walk.
  • The lumbar curve of the lower back is a secondary curvature.
  • So, the correct answer is 'Four curves'.

Multiple choice evs bones skeletal system and muscles assimilation of food components and importance of food

Which of the following bones helps in the formation of ribcage?

  1. Breastbone

  2. Backbone

  3. Shoulder bone

  4. Both A and B
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The breastbone is the flat bone which is located at the center of the chest. Ribs are attached to it forming ribcage. Backbone is the vertebrae extending from the skull to pelvis. The ribs are attached to vertebrae from behind.

Thus, the correct answer is option D.

Multiple choice evs bones skeletal system and muscles assimilation of food components and importance of food

Which of the following helps to maintain the structural framework of the body?

  1. Bones

  2. Muscles

  3. Blood

  4. Both A and B
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The bones and muscles together form the structural framework of the body. The skeleton  constitutes of bones and various types of joints. Muscles are attached to the bones, providing the strength needed for locomotion (movement).

Blood helps to transport gases like oxygen and carbondioxide, hormones, etc. to various parts of the body.
Thus, the bones and muscles together help to maintain the structural framework of the body by providing strength and power to perform work activities.