Answer:
not talking
Explanation:
weak social behavior is not talking or being by yourself
One hand flat on top of another flat hand with the finger alternating
Answer:
I'm pretty sure its Skeletal System
Explanation:
Wastes from the blood leave the kidneys thru the ureter. From there the waste travels to the urinary bladder. Then the urethra carries liquid wastes from the urinary bladder to the outside of the body