DH+Diabetes+homework

(1) What is a hormone? (insert an image too)
 * 15.1 Endocrine Glands (p.296-297)**
 * 1) Hormones are produced by glands that are found in the endocrine system. Hormones consist of estrogen for females, and testosterone for males. Hormones depict how tall we're going be, how deep our voice is, and many other things.

This is a thyroid hormone called thyroglobulin

(2) How are the nervous system and endocrine system similar? different? (3) Describe insulin secretion from the pancreas. Where is it produced? When is it secreted? (4) What is the role of insulin? (5) What is diabetes mellitus? (6) How does a glucose tolerance test assist in the diagnosis of diabetes? (7) What causes diabetes type 1? (8) How is diabetes type 1 controlled? (9) What causes diabetes type 2? (10) How is diabetes type 2 controlled? (11) What are the symptoms of diabetes?
 * 1) Similar:
 * 2) They work together to "regulate the activities of the other systems"
 * 3) both use chemical signals when they are responding to changes (that would threaten homeostasis)
 * 4) Different:
 * 5) Nervous system is composed of neurons
 * 6) Nervous system is organized to "respond rapidly to stimuli"
 * 7) Endocrine system is composed of glands
 * 8) Endocrine system releases hormones which are then carried through the blood.
 * 15.5 Pancreas (p.308-310)**
 * 1) Insulin secretion is a function that puts insulin into the blood system. From there, the insulin travels to the liver, where it's stored, the muscle cells, and the adipose tissue. After insulin is released, the blood glucose level drops. Insulin is produced in the liver, and is secreted from the liver.
 * 1) Insulin helps to regulate the level of blood glucose. When the blood glucose gets high, the liver releases insulin.
 * 1) Diabetes mellitus is a disease where the liver cells and most body cells are unable to take up glucose like they should.
 * 1) If someone is injected with insulin, and their cells don't take it in, that means they're diabetic.
 * 1) Diabetes type one happens when the pancreas is not producing enough insulin.
 * 1) Diabetes type 1 is controlled by the patient taking daily insulin shots to control their glucose level.
 * 1) Diabetes type 2 is usually caused by obesity.
 * 1) Diabetes type 2 can be controlled by a low fat, low sugar diet and exercising regularly.
 * 1) The symptoms of diabetes include blindness, kidney disease, and cardiovascular disorders including atherosclerosis, heart disease, stroke and reduced circulation. Diabetes can later lead to gangrene in the arms and legs.