Comparison of thinking and instincts of birds. Do you think that birds live more by instinct than by thinking?

. Which of the following best defines the integrator of a feedback loop:
a) The element that detects a change in the internal environment.
b) The optimal value of a given hormone or molecule in a body system.
c) The element that compares existing conditions with ideal conditions.
d) The element that acts to return the system to its optimal state

5. Also known as efferent neurons, this is the portion of the reflex arc responsible for relaying information from the central nervous system to the effector and causing a response:
a. Sensory Neuron
b. Interneurons
c. Motor Neuron
d. Association Neuron

PART B: True – False If false, correct the italicized word to make the statement true. (5T)
a) The corpus collosum is part of the peripheral nervous system _____
b) The pituitary gland regulates the biological clock and sleep cycles _____
c) Neurotransmitters are released into the synapses between neurons _____
d) F.S.H is an inhibitory hormone product of spermatogenesis _____
e) Progesterone is secreted by the corpus luteum _____

Short Answer

1. In this unit negative feedback loops were discussed in several examples that involved:
coordinators, regulators, and results. Draw the negative feedback loop for  High / low sugar. Ensure that you label the coordinator(s), regulator(s), and result(s). (3T,2 C)
2. Compare between water soluble hormones and lipid soluble hormones. (1T,2C)
4. Create a graph demonstrating the Menstrual cycle? (2T,1A)