Answer:
Is a push or a pull that causes a moving object to change it's motion; makes objects move or stop; can make an object that is standing still start to move in the direction of the force; can make an object move faster, slow down, stop, or change position. friction.
A neurotransmitter is defined as a chemical messenger that carries, boosts, and balances signals between neurons, or nerve cells, and other cells in the body. These chemical messengers can affect a wide variety of both physical and psychological functions including heart rate, sleep, appetite, mood, and fear. Billions of neurotransmitter molecules work constantly to keep our brains functioning, managing everything from our breathing to our heartbeat to our learning and concentration levels.
Answer:
Cardiovascular system
Explanation:
Cardiovascular means relating to the heart and blood vessels. Even though blood system sounds like an appropriate name, the circulatory system studies more than just blood, it studies the heat and blood vessels as well.
Answer: D
Explanation: just took the quiz
Answer:
will be more likely to survive, reproduce, and pass more of their genes on the next generation.
