Endocrine system

The gland labeled 4 in the diagram is?

• the thymus gland
• the thyroid gland
• the parathyroid glands
• the adrenal glands

When levels go above or below a set point a hormone is released to return the body to set point. When the body is restored to set point no more hormone is released. This is an example of...

• a positive feedback loop
• a negative feedback loop
• a neutral feedback loop

Tags

NGSS.HS-LS1-3

The purpose of the endocrine system is to

• maintain homeostasis by reacting quickly to stimuli
• produce substances that protect the body from bacteria 
• maintain metabolism, growth and development in homeostasis 
• transport molecules throughout the body

Tags

NGSS.HS-LS1-3

Endocrine glands produce __________ which maintain the body in homeostasis

• oils
• neurotransmitters 
• tears
• hormones

Tags

NGSS.HS-LS1-3

Which of the following is an example of a positive feedback loop?

• regulation of body temperature at 37 degrees Celsius 
• regulation of blood sugar levels
• contractions during childbirth
• regulation of water levels in humans

Tags

NGSS.HS-LS1-3

Which of the following IS correctly paired

• Thyroid- promotes metabolism
• Parathyroid-promotes childbirth
• Pineal-promotes storage of calcium in bones
• Prolactin-promotes growth and development

Tags

NGSS.HS-LS1-3

together these two hormones produced by the pancreas control blood sugar levels

• epinephrine and nor-epinephrine
• T3 and T4
• estrogen and progesterone
• insulin and glucagon

Tags

NGSS.HS-LS1-3

this hormone causes an increase in bone density, deepening of the voice, and increased production of body and facial hair

• estrogen
• insulin
• testosterone
• progesterone

Tags

NGSS.HS-LS1-3

these hormones promote secondary sex characteristics in females

• testosterone and GH
• epinephrine and nor-epinephrine
• estrogen and progesterone
• prolactin and oxytocin