Question

4. Which body system that protects the organs of the
body such as the heart, lungs, and brain?

a.skeletal system
b.circulatory system
c.muscular system
d.digestive system​

Answer 1

(a) Skeletal System protects the organs of the  body such as the heart, lungs, and brain.

What is a Skeletal system?

• The skeletal system functions as the framework of a body. It is the combination of all the bones and tissues associated with cartilages and joints.

• The skeletal system helps to protect our delicate internal organs including brain, heart, lungs and spinal cord. Our cranium (skull bone) protects our brain and eyes, the rib cages protects our heart and lungs and our vertebral column (spine, backbones) protects our spinal cord.

Answer 2

Skeletal system protects the organs of the body such as the heart, lungs, and brain.

• Brain, heart and lungs are made of delicate muscles and requires protection.
• Hard skeleton is needed to guard and protect such organs.
• Skull, a part of skeleton at the upper part of body protects brain.
• Rib cage, a part of skeleton in body's central part protects heart and lungs.

• Brain is made of delicate soft tissues and controls the main nervous system of the body.

• Lungs is the main respiratory organ responsible for breathing or respiration.
• Heart is the organ responsible for blood circulation of the body.