Answer:
Explanation:
The muscular system is an organ system consisting of skeletal, smooth and cardiac muscles. It permits movement of the body, maintains posture and circulates blood throughout the body.
Chiggers don’t bite, instead they use there mouths to drill holes through skin; during this process they spit to break down skin cells which is most likely the reason why it itches.
The testicles, or testes produce sperm cells
I think it’s enzymes I hope that works
