3rd Science Exam Guide B2P1

3rd Science Exam Guide B2P1

Week 7 How Do I Know How to Breathe?
Week 8 How Fast Do I Think?
Week 9 Why Does My Heart Beat Faster?

Week 7 How Do I Know How to Breathe?

Page 32

Multiple Choice

Which two systems make up the nervous system of vertebrates?

• Central and autonomic nervous systems

• Peripheral and autonomic nervous systems

• Central and peripheral nervous systems

• Somatic and autonomic nervous systems

Multiple Choice

What is the primary function of the cerebrum?

• Controlling balance and voluntary movements

• Regulating involuntary processes

• Receiving and interpreting messages from the senses

• Transmitting messages to the PNS

Multiple Choice

Which part of the brain is responsible for regulating heartbeat and breathing?

• Cerebrum

• Cerebellum

• Brain stem

• Spinal cord

Multiple Choice

What type of nerves transmits information from the CNS to the body?

• Sensory nerves

• Motor nerves

• Ganglia nerves

• Peripheral nerves

Multiple Choice

The autonomic system is responsible for which of the following?

• Conscious movement

• Regulating unconscious processes

• Transmitting sensory information

• Interpreting speech and thought

Open Ended

Open-Ended Questions:

1. Explain the difference between the central nervous system (CNS) and the peripheral nervous system (PNS).

Open Ended

What are the three sections of the brain, and what are their main functions?

Open Ended

How does the spinal cord contribute to the functioning of the nervous system?

Open Ended

Describe the roles of the sensory and motor nerves in the PNS.

Open Ended

What is the “fight-or-flight” response, and which part of the nervous system controls it?

Week 8 How Fast Do I Think?

Page 34

Multiple Choice

Neurons are responsible for generating and transmitting nerve impulses.

• True

• False

Multiple Choice

Glial cells transmit electrical signals between neurons.

• True

• False

Multiple Choice

Neurons touch each other directly to pass impulses.

• True

• False

Multiple Choice

Sensory neurons send messages from the central nervous system to the body’s muscles.

• True

• False

Multiple Choice

The process of transmitting impulses between neurons happens in less than a fraction of a millisecond.

• True

• False

Open Ended

What are the three types of neurons, and what is the function of each?

Open Ended

Describe the role of neurotransmitters in neuron communication.

Week 9 Why Does My Heart Beat Faster?

Page 36

Multiple Choice

Which system controls voluntary movements?

• Autonomic system

• Somatic system

• Sympathetic system

• Parasympathetic system

Multiple Choice

What type of nerves carry motor commands to and from the spinal cord?

• Cranial nerves

• Spinal nerves

• Association nerves

• Sensory nerves

Multiple Choice

Which part of the autonomic system is responsible for the “fight-or-flight” response?

• Somatic system

• Parasympathetic system

• Sympathetic system

• Spinal nerves

Open Ended

Open Questions:

1. Explain the difference between the somatic and autonomic systems.

Open Ended

Describe how the sympathetic and parasympathetic systems work together.

Categorize

Options (16)

Voluntary movements

Involuntary responses

Activates "fight-or-flight" response

Controls "rest and digest" functions

Skeletal muscle movement

Heart rate, digestion

"Fight-or-flight"

"Rest and digest"

Spinal, cranial, association

Sympathetic, parasympathetic

Sympathetic nerves

Parasympathetic nerves

Slower (brain involvement)

Faster (spinal cord)

Fast (emergency reflex)

Slower, focusing on conserving energy

• Fill in each category of the table with concise answers based on the text.

• Use the following categories: Control, Functions, Nerves, and Speed.

Somatic System

Autonomic System

Sympathetic System

Parasympathetic System