Lab 9 The Endocrine System BIO201L Student Name: Click here to enter text. Kit Code (located on the lid of your lab kit): Click here to enter text. Pre-Lab Questions ”1. What is the function of the endocrine system?” Click here to enter text. ”2. Research two types of hormones and describe the mode of action for each. ” Click here to enter text. ”3. Which gland is both endocrine and exocrine? ” Click here to enter text. ”4. Which hormones control the fight or flight response? ” Click here to enter text. ”5. What is type 1 diabetes and what is the treatment for this disease? ” Click here to enter text. ”6. Describe how Ca2+ levels in the blood are regulated by hormones. ” Click here to enter text. ”7. How do the nervous and endocrine systems work together to maintain homeostasis of the body? ” Click here to enter text. Experiment 1: Microscopic Anatomy of the Endocrine System Table 2: Experiment 1 Image Observations Image Type Image Observations Thyroid Gland Click here to enter text. Parathyroid Gland Click here to enter text. Pancreas Click here to enter text. Adrenal Gland Click here to enter text. Pituitary Gland Click here to enter text. Lab 9 The Endocrine System Anterior Pituitary Gland Click here to enter text. Post-Lab Questions ”1. Label the items in the following slide images based on your observations. ” A- Click here to enter text. B- Click here to enter text. C- Click here to enter text. D- Click here to enter text. BIO201L Lab 9 The Endocrine System BIO201L Lab 9 The Endocrine System BIO201L ”2. Define what a hormone is. ” Click here to enter text. ”3. How do hormones establish selectivity? ” Click here to enter text. ”4. Explain how insulin regulates glucose levels in the blood. ” Click here to enter text. Experiment 2: Stress Response Table 3: Effect of Temperature on Blood Pressure and Heart Rate Time (Step #) Heart Rate (beats/minute) Blood Pressure (mmHg) Initial - Normal Temperature (Step 7) Click here to enter text. Click here to enter text. 30 Seconds in Ice Water (Step 10) Click here to enter text. Click here to enter text. 60 Seconds in Ice Water (Step 10) Click here to enter text. Click here to enter text. 90 Seconds in Ice Water (Step 10) Click here to enter text. Click here to enter text. 120 Seconds in Ice Water (Step 10) Click here to enter text. Click here to enter text. Final - Dry (Step 12) Click here to enter text. Click here to enter text. Table 4: Effect of Posture on Blood Pressure and Heart Rate Time (Step #) Heart Rate (beats/minute) Blood Pressure (mmHg) Initial – Sitting (Step 7) Click here to enter text. Click here to enter text. Initial – Standing (Step 9) Click here to enter text. Click here to enter text. 1 Minute Standing (Step 10) Click here to enter text. Click here to enter text. 2 Minutes Standing (Step 10) Click here to enter text. Click here to enter text. Lab 9 The Endocrine System Final - 2 minutes Sitting Click here to enter text. BIO201L Click here to enter text. Post-Lab Questions ”1. Write your hypothesis for the “Testing Temperature” portion of this experiment. Be sure to include how you think the decreased temperature will affect blood pressure and heart rate, and, why. ” Click here to enter text. ”2. Write your hypothesis for the “Testing Body Position” portion of this experiment. Be sure to include how you think blood pressure and heart rate will vary when you sit versus when you stand. ” Click here to enter text. ”3. Explain your results in terms of the endocrine system. Indicate how the endocrine system is involved in the physiological response to temperature and body position. ” Click here to enter text. ”4. Which glands are most likely to be involved with the physiological response caused in this experiment? Which hormones are most likely to be involved? ” Click here to enter text. ”5. How does this experiment demonstrate the “fight or flight” response? ” Click here to enter text. Experiment 3: Fetal Pig Dissection – Endocrine System Post-Lab Questions ”1. Describe the techniques utilized while dissecting the outer muscle layers of your pig. ” Click here to enter text. ”2. What surprised you about the internal anatomy of the pig? ” Click here to enter text. ”3. What is unique about the glands of the endocrine system? ” Click here to enter text. ”4. Explain the function of the thyroid gland and the hormones it secretes. Include how the release of hormone is regulated and what cells the hormone act on. ” Click here to enter text. Lab 9 The Endocrine System BIO201L ”Insert photo of your pig’s exposed pancreas with your name clearly visible in the background: ”
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