Tissue damage activates nociceptors or pain receptors in the skin. A signal is sent to the peripheral nerve to the spinal cord where neurotransmitters or chemical messengers are released. It activates other nerves to pass signal to the brain. The signals are relayed to the somatosensory cortex for sensation, frontal cortex for thinking and limbic system for emotional response.
Answer:
1. C.) Their cell walls contain chitin
2. C.) Chloroplast
Human,increase population and Overharvesting
Prokaryote and eukaryote both have cell membranes
Answer:
Mass of reactants = Mass of products.
Explanation:
We co serve mass in this law so the start and end have to have the same mass. this the equal sign.
