Interdependence means that all of the systems need all of the other systems. They rely on one another for many different things and cannot function without the other.
The nervous and endocrine systems control the activities of the digestive, excretory, circulatory and respiratory systems.
Most jobs in the body need the support of 2 or more organ systems
Cellular respiration is how our body takes food and oxygen and turns it into energy
Visual Summary
Chapter Review
Q16 p254
Construct a visual summary of how these key terms interact:
Homeostasis is the body’s ability to maintain a constant internal environment.
- Hormones
- Nervous System
- Hypothalamus
- Target Cells
- Peripheral Nervous System
- Endocrine system
- Metabolism
- Pituitary gland
- Receptors
- Central Nervous System
Interdependence
of Body Systems
Activity
Organ systems need to work together to maintain homeostasis in the body.
What is homeostasis?
Which systems work together?
Body Systems
When you run, you begin to breathe heavier and faster. Your heart beats more quickly, bringing more oxygen to your cells.
We need our respiratory system to take in the oxygen , we need our circulatory system to deliver the oxygen to the muscles and we need the digestive system to break the food down into nutrients like glucose to be turned into energy
Activity
You jumped into a freezing cold pool.
Groups of 3 or 4
When you finish exercising, you are hot, tired, and sweating. After a bottle of juice, you feel a lot better.
You're watching a scary movie and you are very jumpy and on edge.
Each group must explain which body systems are involved with their group’s scenario.
When you are at the beach on a hot day, the sand is extremely hot and you need to run.
You're eating some sour worms.