Question

made up of the brain, spinal cord, and nerves. these allow us to feel and tell our body what to do.
diseases: epilepsy: causes seizures, parkinson’s: destroys movement, ms: nerves attacked by immune system.

1. many people call this system the most important one. why do you think they say that?

body system #3 : muscular system
muscles that help aid in your movement, blood flow, and other bodily functions. there are three types of muscle. 1. skeletal muscles which connect your bones together, 2. smooth muscles which help move things through your organs, 3. cardiac muscles which help the heart to pump blood. diseases: polymyositis: weakens muscle that connects bones

1. the skeletal system needs the muscular system for it to work properly. what do you think the muscular system helps the skeletal system with?

exit ticket:

1. why is the nervous system sometimes called the information highway in our body?

1. how do you think people get diseases? list all the ways you think of.

Explanation:

For Question 2 (Nervous System):

It controls all body functions: movement, sensation, organ regulation, and decision-making. Every other system relies on its signals to operate.

For Question 3 (Muscular-Skeletal Interaction):

Skeletal muscles pull on bones to create movement; they also support bones and maintain posture.

For Exit Ticket Question 1:

It carries electrical signals (sensory input, motor commands) between the brain, spinal cord, and body tissues, like a highway transports traffic.

For Exit Ticket Question 2:

Ways include: exposure to pathogens (bacteria, viruses, fungi), genetic mutations, immune system dysfunction, poor lifestyle (diet, inactivity), environmental toxins, and injuries that disrupt body function.

Answer:

1. (Question 2) It regulates all bodily functions, from movement and sensation to controlling organs, and every other body system depends on its signals to work properly.
2. (Question 3) The muscular system (specifically skeletal muscles) pulls on bones to enable movement, supports bones to maintain posture, and stabilizes joints.
3. (Exit Ticket 1) The nervous system is called the "information highway" because it sends electrical and chemical signals (like sensory data and motor commands) between the brain, spinal cord, and all parts of the body, similar to how a highway moves people and goods between locations.
4. (Exit Ticket 2) Common ways people get diseases include:

• Exposure to infectious pathogens (bacteria, viruses, fungi, parasites)
• Inherited genetic disorders or mutations
• Immune system failures or autoimmune reactions
• Unhealthy lifestyle choices (poor diet, lack of exercise, smoking, excessive alcohol)
• Exposure to environmental toxins, radiation, or pollutants
• Physical injuries that disrupt normal body function
• Chronic stress that weakens bodily defenses