Skeletal muscles work in pairs: flexors and extensors
false
False. While many skeletal muscles do work in antagonistic pairs (e.g. biceps and triceps), not all skeletal muscles function this way. Some skeletal muscles work alone or in synergy with other muscles to produce movement.
false
false....
false
Diaphragm and intercostals
yes
These muscles are called "skeletal muscles".
All skeletal muscles will have a flexor and an extensor. The flexor bends the joint. The extensor straightens it out again.
The skeletal muscles
Skeletal Muscles
by the help of the heart