The nervous system can respond quickly to stimuli, through the use of action potentials and neurotransmitters. Responses to nervous system stimulation are typically quick but short lived. The endocrine system responds to stimulation by secreting hormones into the circulatory system that travel to the target tissue.
Answer:
B. A narrow region of the superior vena cava could become blocked, restricting blood flow to the heart.
Explanation:
Is this a question?
Or is this telling people who need this answered it.
Answer:
the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water.
Explanation:
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
Photosynthesis is the process in which green plants use sunlight to make their own food. ...
D, is the answer. If you take antibiotics more than you're supposed to your immune system gets used to it and it no longer works.
