The correct option is (a) Hair growth .
Muscular-
- Muscles lift the hair on the arms and legs to retain heat.
- Circulating white blood cells attack pathogens such as bacteria and viruses.
- Respiratory mucus that covers the airways helps trap pathogens.
- Muscle sneezing is accompanied by involuntary muscle contractions.
What is the primary job of muscles?
- Their main function is contractility.
- Muscles attached to bones, internal organs, and blood vessels are the cause of movement.
- Almost every movement of the body is the result of muscle contraction.
What are the three muscle types and their functions?
The three major muscle types are:
Muscle-a special tissue that attaches to bone and allows movement. Smooth muscle – found in a variety of internal structures, including blood vessels such as the digestive tract, uterus, and arteries.
Cardiac muscle – the muscle specific to the heart.
Learn more about muscles https://brainly.com/question/9883108?referrer=searchResults
#SPJ2
