Year 9 Endocrine System and Hormones

Which of these functions are the main function of the endocrine system?

• To ensure that we take in oxygen through the lungs

• To make hormones that control growth and development

• To control balance, movement, and coordination

• To protect the body from disease caused by pathogens

Release of chemical messengers are called

• glands

• muscles

• hormones

• bones

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These chemical messengers are synthesized and secreted by various ______________ glands

• nervous

• endocrine

• chemical

• circulatory

 

Insulin is produced by

• the liver

• the pancreas

• the kidneys

• the gall bladder

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Which one here reduces the amount of glucose in the blood?

• Glucagon

• Insulin

• Glycogen

• ADH

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A hormone is _____________________.

• a chemical substance produced by a gland and carried by the lymph.

• an enzyme produced by a gland and carried by the blood.

• a chemical substance produced by an organ and carried by the blood.

• a chemical substance produced by a gland and carried by the blood.

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The main elements of the endocrine system are ______.

• The glands, hormones, and cell receptors

• The glands, nerves, and blood vessels

• The blood, tissue, and brain

• The hormones, blood, and brain

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Hormones cause specific effects by ______.

• Flooding the entire body

• Targeting specific parts of the brain

• Targeting specific groups of cells in the body

• Spreading through the nervous system

Does the endocrine system help with the overall health of the human body?

• True

• False

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Most hormone systems use negative feedback mechanism.

• True

• False

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