Endocrine System I

What is a hormone?

• A hormone is a chemical messenger that regulates bodily functions.

• A hormone is a protein that provides structural support to cells.

• A hormone is a mineral that helps in bone formation.

• A hormone is a type of vitamin that boosts energy levels.

What do hormones do in your body?

• Hormones are only responsible for growth.

• Hormones regulate bodily functions by acting as chemical messengers.

• Hormones primarily store energy in the body.

• Hormones only affect mood and emotions.

What two systems work together to control your body?

• Muscular system and skeletal system

• Nervous system and endocrine system

• Respiratory system and digestive system

• Circulatory system and immune system

Why is the pituitary gland the "master gland?"

• It is the largest gland in the body.

• It controls other endocrine glands.

• It produces hormones that only affect the brain.

• It regulates body temperature directly.

Why is a hormone like a key to open a lock?

• A hormone is like a key because it can unlock any door in the body.

• A hormone is like a key because it is made of metal and can be used to open locks.

• A hormone is like a key because it specifically binds to a receptor (the lock) to initiate a biological response.

• A hormone is like a key because it is used to start a car engine.

What happens when a hormone bind to its receptor cell?

• The hormone initiates a signaling cascade that alters cellular activity.

• The hormone causes the cell to divide uncontrollably.

• The hormone is destroyed immediately after binding.

• The hormone binds to DNA and changes genetic code.

What is the function of the HPA axis?

• The HPA axis controls blood sugar levels.

• The HPA axis is responsible for digestion.

• The HPA axis regulates the body's response to stress and maintains homeostasis.

• The HPA axis regulates sleep patterns.

Which system acts quicker, the nervous system or the endocrine system?

• The endocrine system acts quicker.

• The nervous system acts quicker.

• Both systems act at the same speed.

• The nervous system and endocrine system act equally fast.