Very Short Answer (One Word) Questions: Skeletal & Muscular System | Science Class 5 PDF Download

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Q1: What is the hard tissue that makes up the body's skeleton?
Ans: Bone is the hard tissue that forms the structure of the body's skeleton.

Q2: How many bones do adults have in their body?
Ans: The human body contains 206 bones in adults. 

Q3: What substance are bones made of, along with calcium and phosphorus?
Ans: Bones are primarily composed of collagen, which provides flexibility and strength.

Q4: What is the function of bones in the body?
Ans: The bones in the body serve several crucial functions:

• Provide shape and support for the body.
• Protect organs from injury.
• Facilitate movement by acting as levers for muscles.

Q5: What is the soft, fatty substance found in long and flat bones that forms blood cells?
Ans: The soft, fatty substance found in long and flat bones that forms blood cells is known as bone marrow.

Q6: What is the central framework of the body that includes bones and connective tissues?
Ans: The skeletal system is the central framework of the body, consisting of bones and connective tissues. 

Q7: Which part of the skeletal system protects the brain?
Ans: The part of the skeletal system that protects the brain is the skull.

Q8: What is the name of the bone in the upper arm?
Ans: The bone in the upper arm is known as the humerus.

Q9: Which type of joint allows bones to move in one direction, like the knee?
Ans: The type of joint that allows bones to move in one direction, such as the knee, is called a hinge joint.

Q10: Which type of muscle is not under conscious control?
Ans: Involuntary muscles are types of muscles that operate without conscious control.

Q11: What is the function of ligaments in the body?
Ans: The primary function of ligaments in the body is to hold bones together at joints.

Q12: Which type of muscle fibers are found in the respiratory and circulatory system organs?
Ans: Smooth muscle fibers are the type of muscle fibers primarily found in the organs of the respiratory and circulatory systems.

Q13: How many pairs of ribs are there in the ribcage?
Ans: There are 12 pairs of ribs in the ribcage.

Q14: What is the name of the flat bone in the middle of the chest?
Ans: The name of the flat bone located in the middle of the chest is the sternum.

Q15: Which type of muscle fibers are also known as skeletal muscles and are attached to bones?
Ans: Striated muscle fibers, also known as skeletal muscles, are the type of muscle fibers that are attached to bones.