Nervous and Endocrine Systems (Grade 8)
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Nervous and Endocrine Systems
Instructions: Circle or fill in the correct answer to each question.
1.
What carries hormones throughout the body?
2.
The system is a complex group of glands.
3.
What master gland controls other glands and processes?
- pineal gland
- pituitary gland
- hypothalamus
- thyroid gland
4.
What chemical messengers are part of the endocrine system?
- glands
- enzymes
- hormones
- homeostasis
5.
Nerve cells, or neurons, in the brain and spinal cord cannot grow back, or regenerate, once injured.
- True
- False
6.
The brain has three parts: the cerebrum, cerebellum, and membrane.
- True
- False
7.
What is the cornea of the eye?
- tough, thin bag that forms the eye ball
- colored part of the eye
- black round spot in the middle of the eye
- clear "window" in the front of the eye
8.
What are hormones?
- sources of energy for the body
- chemicals that aid in digestion
- chemicals that deliver messages to tell cells and organs what to do
- chemicals that allow your brain to think
9.
The nervous system is divided into two main parts, the central nervous system and the
- southern nervous system.
- cerebral nervous system.
- polar nervous system.
- peripheral nervous system.
10.
Neurons are cells that
- give, receive, and handle information.
- help your body to grow physically larger.
- you do not have when you are first born.
- only exist in your lungs.
11.
What protects the spinal cord?
- myelin sheath
- spinal column
- ribs
- brainstem
12.
What system is responsible for detecting the body's environment?
- respiratory
- nervous
- excretory
- circulation
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