Benchmark 3 Review

The nervous system carries information from your body to your brain.

• Yes!

• Yes, but it also carries information from your brain to your body

• No, the circulatory system carries information from your body to your brain.

Which of the following are part of the nervous system?

• Brain

• Spinal Cord

• Nerve Cells

• Heart

• Lungs

The command center of the body

• central nervous system

• peripheral nervous system

Receives information

from your body, decides how to react, and

sends orders down your spinal cord for your

body to carry out

• Brain

• Heart

• Spinal Cord

• Hormones

A thick cord made of nerve

cells that reaches from the brain down the

spine, and it carries electrical impulses to and

from the brain.

• Spinal Cord

• Back bone

• Thyroid

• Spleen

Tags

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The brain helps you with moving, breathing, forming and storing

memories, thinking, feeling, and thousands

of other tiny tasks that make you who you are.

Which of the following body systems does the nervous system work with?

• Circulatory

• Muscular

• Respiratoy

• All body systems!

Ms. James was having a wonderful time looking at roses in her garden. She decided to touch a rose thorn to see how sharp it is. Ouch! It was much more sharp than she thought it would be. Her reflex after getting pricked by the thorn was to jerk her hand back. Order the steps of her response.

• Ms. James jerks her hand back

• The spinal cord interprets the pain signal and reacts

• A pain reaction is sent by the nervous system to the arm muscles

• Nerves in the peripheral nervous system bring a pain signal to the spinal cord

Tags

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Is the human body made of one system or many systems?

• One System with different parts

• Many different systems working together. Each system has many parts.

Answer explanation

Integumentary System, Skeletal System, Muscular System, Nervous System, Endocrine System, Cardiovascular System, Lymphatic System, Respiratory System, Digestive System, Urinary System, and Reproductive System (Female and Male)

Tags

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The body can function when the cells of the body are getting and using ​ (a)   that come from outside the body—from the food we eat and the air we breathe. ​ (b)   are molecules the cells need that come from outside the body. The ​ ​ (c)   breaks down starch and protein molecules from food into glucose and amino acids, and then the ​ (d)   transports these molecules to the cells. Also, the ​ (e)   takes in oxygen molecules from the air, and the circulatory system transports those molecules unchanged to the cells because oxygen ​molecules are already small enough to fit into cells.​

• molecules
• Oxygen, glucose, and amino acids
• Oxygen, starch, and protein
• digestive system
• respiratory system
• circulatory system
• atoms

Tags

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How many times is science counted on the LEAP?

• Once

• Twice

• It is not counted

Answer explanation

TWICE!!! Study daily, maintain a growth mindset, always try your best, participate, do your classwork and homework, and master each concept. You can do it!