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40.3 Other Endocrine Glands and Hormones -- Part 5
melatonin is thought to regulate sexual development.
In keeping with these findings, it has been noted that children with brain tumors experience early puberty.
Beneath the sternum lies the lobular.
During childhood, this organ is most active.
The thymus gets smaller as you get older.
T lymphocytes originate in the bone marrow and travel through the thymus to other parts of the body.
Epithelial cells that produce hormones called thymosins are lined in the thymus.
The hormones help in the differentiation of T lymphocytes.
Some organs do produce hormones.
The kidneys and the heart excrete renin and atrial natriuretic hormone.
hormones are produced by a number of tissues.
The hypothalamus is where leptin acts.
In the 1990s, researchers hoped that leptin could be used to control weight in humans.
The trials didn't yield satisfactory results.
The blood of obese people may be rich in leptin.
It is possible that the leptin they produce is not effective because of a genetic or hypothalamic cell abnormality.
Section 36.2 states that the kidneys respond to a low blood oxygen level.
Red blood cells are produced in the red bone marrow.
People with anemia can be effectively treated with injections of erythropoietin.
In recent years, some athletes have used blood-doping techniques to improve their performance by increasing the oxygen-carrying capacity of their blood.
The temporary advantages are not worth the potential dangers.
The athlete is at increased risk of a heart attack or stroke because of the increased number of red blood cells.
Prostaglandins are not found in the blood.
Prostaglandins cause muscles to contract in the uterus, which causes menstruation pain in some women.
Aspirin reduces body temperature because it prevents prostaglandins from being synthesised.
Prostaglandins increase the mucus in the stomach and are used to prevent gastric ulcers.
Others lower blood pressure.
Some of them have been used to prevent thrombosis.
unwanted side effects can be a problem because prostaglandins can affect various tissues.
Hormones act at a distance between body parts.
Both steroids and peptides are hormones.
The synthesis of genes.
When the adrenal cortex is under active, there are two diseases that occur.
ANH increases the excretion of water.
When blood pressure is too low, the kidneys release renin, which causes arterioles to dilate and aldosterone to be released.
hormones are produced by tissue and organs.
Pick the best answer for the question.
Match the hormones to the glands in the key.
The hormones are released into the blood.
The hormone is binding to the target cells.
The hypothalamus is superior to the pituitary.
Growth hormone and prolactin are produced by the anterior pituitary.
The parathyroid hormone causes the kidneys to excrete more calcium.
There is a difference between type 1 and type 2 diabetes.
cAMP is a substance that is broken in the cell.
Animals have many different behaviors.
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