Homeostasis
What is homeostasis?
Keeping the body’s internal conditions stable
What system controls and coordinates the body quickly?
Nervous system
You sweat during PE. What is the goal?
cool your body
What is the main job of the muscular system?
movement
What gives your body shape and support?
skeletal system
Name one thing the body keeps balanced.
Temperature, water, glucose, pH, etc.
What organs are found in the nervous system?
Brain, spinal cord
You’re cold and get goosebumps. Why?
to trap heat
What are the 2 different types of muscles?
Voluntary and nonvoluntary
How many bones are in the adult human body?
206
What body system helps cool you when hot?
Skin, Integumentary (sweating)
What did the ruler lab test?
reflexes
You touch ice and drop it quickly. What happened?
reflex
Give an example of a muscle.
Bicep, tricep, glutes, etc
What protects your brain?
Skull
Shivering helps you get warmer or cooler?
Warmer
What is something our nervous system helps us with?
Balance, reflexes, movement
After running, your heart rate increases. Why?
deliver more oxygen
Give an example of a voluntary muscle.
Bicep to lift something, etc
What protects your heart?
ribs
Explain negative feedback in your own words.
A response that reverses a change to return to normal
For a reflex(like catching a ball), what organ do we use first?
The eyes
Explain how the nervous system helps maintain homeostasis.
Detects change → sends signals → body responds
Give an example of a involuntary muscle
your heart beating, breathing, blinking
Name three jobs of the skeletal system.
Support, protection, movement, make blood cells, store minerals