<span>Residential treatment programs typically last for<span> 3-5 years.
</span></span>
<span> Drugs work in the brain by tapping into the brain’s communication
system and ________ with the way nerve cells normally send, receive, and
process information.
b. assisting
c. interfering
</span>
1. The cells of the SA node at the top of the heart are known as the pacemaker of the heart because the rate at which these cells send out electrical signals determines the rate at which the entire heart beats (heart rate).
2. septum : The septum is a thick wall of muscle that divides the heart. It separates the left and right sides of the heart.
3.The respiratory and circulatory systems work together to maintain homeostasis. The respiratory system moves gases into and out of the blood. The circulatory system moves blood to all parts of the body.
hope this helps! sorry I couldn't do all of them!
That is a kinda dumb question it’s not good because u are hurting the person or animal ur abusing mentally and physically
3.) exposure to toxic chemicals
