Osmoregulation Review

what is osmoregulation?

• Control of water and salt in the body

• Control of blood pressure in the body

• Control of blood glucose in the body

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During osmosis

• water moves from high to low concentration

• large or oddly shaped molecules move across a cell membrane

• water moves when energy is used

• proteins are built

Maintaining stable internal conditions despite changes in the external environment

• Homeostasis

• Metabolism

• Protein Synthesis

• Adaptation

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Which area of the brain contains the receptors responsible for detecting changes in blood solute concentration (and water concentration)

• Hypothalamus

• Medulla Oblongata

• Amygdala

• Hippocampus

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NGSS.HS-LS1-3

If the dots represent sugar what direction will the water flow?

• Into the cell

• Out of the cell

• Both equally (equilibrium)

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If the % represent % of sugar, what direction will water flow?

• Into the cell

• Out of the cell

• Both equally (equilibrium)

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In what form do humans excrete nitrogenous waste?

• Ammonia

• Phosphorus

• Amino acids

• Urea

Identify the term for the excessive loss of water from the body

• Over hydration

• Dehydration

• Isotonic

• Transpiration

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NGSS.HS-LS1-3

Which hormone promotes retention of water by kidneys?

• epinephrine/norepinephrine

• antidiuretic hormone

• glucagon

• prolactin

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NGSS.HS-LS1-3

When you are hot, your body sweats to cool you down. This means your temperature went above normal and your body sweats to counteract that change to bring you back to normal. What kind of feedback loop would this be?

• Negative Feedback Loop

• Positive Feedback Loop

• Neutral Feedback Loop

• Linear Feedback Loop

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NGSS.HS-LS1-3