Answer: i would say the answer is d
They are composed of actin, troponin, tropomyosin, and myosin
The saliva has enzymes that start to break down food using the lock and key system.The teeth chews the food and begins mechanical break down of food
Answer:
Psychiatrist
Explanation:
A psychiatrist is a medical specialist who focuses on mental health issues, such as substance abuse. Psychiatrists are trained to evaluate both the mental and physical components of mental illnesses. I hope this helps and if it does a Brainliest would be nice!
