which body system that protects the organs of the body such as the heart lungs and brain
ᴀ.sᴋᴇʟᴇᴛᴀʟ sʏsᴛᴇᴍ
ʙ.ᴄɪʀᴄᴜʟᴀᴛᴏʀʏ sʏsᴛᴇᴍ
ᴄ.ᴍᴜsᴄᴜʟᴀʀ sʏsᴛᴇᴍ
ᴅ.ᴅɪɢᴇsᴛɪᴠᴇ sʏsᴛᴇᴍ​