Endocrine System

Question 1

Endocrine System

Answer 1

system of glands and associated organs that contain cells that produce hormones

Question 2

Main functions of Endocrine System

Answer 2

• regulation of body development

- interaction with nervous system to help regulate and coordinate body systems to promote homeostasis

Question 3

Lipid Soluble Hormones

Answer 3

• include steroid hormones (from cholesterol)

- bind with receptors within cytoplasm or nucleus; attach to DNA and activate certain proteins.

Question 4

Water Soluble Hormones

Answer 4

• peptide hormones
• bind with receptors on cell surface which activates a second molecule in cytoplasm which influences existing enzymes in cell

Question 5

Stimuli that cause production and release of hormones

Answer 5

• external signals from nervous system
• changes in nutrients, ions, etc.
• other hormones

Question 6

Neurosecretory Cells

Answer 6

specialized neurons that transmit and generate nerve impulses as well as secrete hormones

Question 7

Types of Interactions Between Hormones

Answer 7

• Antagonistic (have opposite effects)
• Synergistic (work together)
• Permissive (one needs the other to work)