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During a biology class, Samuel was asked to select all of the organs of the nervous system from the following list:

• Brain

• Heart

• Spinal Cord

• Nerves

• Stomach

In a classroom experiment, Rohan is learning about neurons. He discovers that the part of the neuron that receives signals is the:

• Axon

• Dendrite

• Axon Terminal

• Cell Body

During a science class, Aria learned about a body system that controls and coordinates all body activities through electric impulses/messages between the brain, spinal cord, and nerves. Which system is this?

• endocrine system 

• nervous system

• nerve

• neuron

During a science class, Samuel asked his teacher about how the human body keeps its internal environment stable despite external changes. What is this process called?

• Controls and coordinates body activities through chemical

• controls and coordinates body activities through electrical impulses

• For maintenance of a steady state in the internal environment

• remove metabolic waste products from the cel

Sophia is studying for her biology exam and comes across a question: What is the endocrine system?

• senses the hormone levels in the blood

• controls all other endocrine glands

• A group of glands that work together with the nervous system to coordinate all body functions

• decreases bone calcium levels

Lily was studying human biology and learned that the __________ is the main organ of the nervous system.

• heart

• lungs

• brain

• skin

When William touches a hot stove, an electrical message from his nervous system is called a . . .

• Neuron

• Impulse

• Reaction

• Hormone

Aiden is learning about neurons in his biology class. He discovers that in a neuron, the ______ carries information away from the cell.

• Cell body

• Dendrite

• Axon

• Axon terminal

What is the role of the nervous system?

• to transport oxygen
• to protect organs
• to send and receive chemical messages
• to gather and respond to information

Evelyn was studying about the human body and learned that the chemical product of an endocrine gland is called a(n)

• chromosome

• horomone

• target cell

• hypothalamus