Answer the following question given this paragraph: Nervous Tissues Nervous tissues are made of cells specialized to receive and transmit electrical impulses from specific areas of the body and to send them to specific locations in the body. The main cell of the nervous system is the neuron, illustrated in Figure. Q: What is the main type of cell in the nervous system called? Choices: - sensory - conduction - axon - neuron A:
neuron

Answer the following question given this paragraph: A: Energy is released when an atom gains an electron. Halogens release the most energy when they form ions. As a result, they are very reactive elements. Q: What happens to energy when an atom gains an electron? Choices: - it is folded - it is used - it increases - it is released A:
it is released

Answer the following question given this paragraph: There are three types of mechanical waves. They differ in how they travel through a medium. The three types are transverse, longitudinal, and surface waves. All three types are described in detail below. Q: How many types of mechanical waves are there? Choices: - five - nine - one - three A:
three