Coordination and control: maintaining a constant internal environment
Coordination and control: maintaining a constant internal environment
Threads
Why this why now
Prior knowledge requirements
- Some substances can move into and out of cell by diffusing through the cell membrane.
- Water moves between the blood and cells by osmosis, a type of diffusion.
- The net movement of particles by diffusion and osmosis is along a concentration gradient.
- Enzymes are the catalysts for many chemical reactions in the body.
- Enzymes work best in optimum conditions and less well when conditions change away from the optimum.
- Humans have a nervous system that that enables us to sense and respond quickly to changes outside and inside the body.
- The human body has an endocrine system that uses hormones to control changes in the body.
- The human endocrine and nervous systems work together to maintain a constant environment in the body.
Threads
Why this why now
Prior knowledge requirements
- Some substances can move into and out of cell by diffusing through the cell membrane.
- Water moves between the blood and cells by osmosis, a type of diffusion.
- The net movement of particles by diffusion and osmosis is along a concentration gradient.
- Enzymes are the catalysts for many chemical reactions in the body.
- Enzymes work best in optimum conditions and less well when conditions change away from the optimum.
- Humans have a nervous system that that enables us to sense and respond quickly to changes outside and inside the body.
- The human body has an endocrine system that uses hormones to control changes in the body.
- The human endocrine and nervous systems work together to maintain a constant environment in the body.
Coordination and control: maintaining a constant internal environment
This unit covers the importance of maintaining a constant internal environment, focusing on body temperature control, osmotic balance, and kidney function. It explains the roles of the skin, kidneys, and ADH, and emphasises data extraction, experiment techniques, and accurate data interpretation.
6 lessons in unit
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