Expert Physics Tutoring

MS1:

- External or internal change that causes a response in an organism (1)

MS2:

- Detects a specific stimulus (1)

- Converts the stimulus into an electrical or chemical signal (1)

MS3:

- Receptor (1)

- Effector (1)

- Neurones (1)

MS4:

- Hormones are synthesized in endocrine glands (1)

- Released into the bloodstream (1)

- Transported around the body (1)

- Bind to specific receptors on target cells (1)

MS5:

- Insulin is released when blood glucose levels rise (1)

- Converts glucose into glycogen and stores it in liver and muscle cells (1)

MS6:

- Glucagon (1)

MS7:

- ADH is released from the pituitary gland when blood osmolality increases (1)

- Causes the kidneys to reabsorb more water (1)

MS8:

- Thyroxine:

- Regulates metabolism (1)

- Controls growth and development (1)

- Adrenaline:

- Prepares the body for "fight or flight" responses (1)

- Increases heart rate and respiration (1)

MS9:

- Auxins:

- Promote cell elongation (1)

- Gibberellins:

- Promote stem elongation (1)

MS10:

- Positive feedback:

- Amplifies or enhances the initial stimulus (1)

- Negative feedback:

- Counteracts or opposes the initial stimulus (1)

- Maintains homeostasis (1)