Hormones Flashcards
What is the balanced equation for photosy
6CO2+6H2O→C6H12O6+6O2
What factors affect the rate of photosynthesis
- light intensity
- carbon dioxide concentration
- temperature
What are hormones?
chemical messengers released by glands
What is a hormone?
A hormone is a chemical messenger produced by glands in the endocrine system that regulates various functions in the body.
True or False: Hormones are only produced in the brain.
False
Name one function of hormones in the body.
Regulating metabolism, growth and development, tissue function, or mood.
What gland is known as the ‘master gland’ of the endocrine system?
The pituitary gland.
Fill in the blank: Insulin is a hormone produced by the _____ to regulate blood sugar levels.
pancreas
Which hormone is responsible for the fight-or-flight response?
Adrenaline (epinephrine).
Multiple Choice: Which hormone primarily regulates metabolism? A) Estrogen B) Thyroxine C) Testosterone
B) Thyroxine
What is the role of estrogen in the body?
Estrogen regulates the female reproductive system and secondary sexual characteristics.
True or False: Hormones can only have one specific function.
False
What hormone is released by the adrenal glands during stress?
Cortisol.
Fill in the blank: The hormone _____ is involved in the regulation of sleep cycles.
Melatonin
What is the primary effect of testosterone?
It promotes the development of male reproductive tissues and secondary sexual characteristics.
Multiple Choice: Which hormone is involved in the regulation of water balance? A) Insulin B) Aldosterone C) Adrenaline
B) Aldosterone
What is the function of glucagon?
Glucagon raises blood glucose levels by promoting the conversion of glycogen to glucose in the liver.
True or False: Hormones can only act on cells that have specific receptors for them.
True
What is the effect of growth hormone?
Growth hormone stimulates growth, cell reproduction, and cell regeneration.
Fill in the blank: The _____ gland produces thyroid hormones that regulate metabolism.
thyroid
What is the role of parathyroid hormone?
Parathyroid hormone regulates calcium levels in the blood.
Multiple Choice: Which hormone is essential for the development of breast tissue? A) Progesterone B) Testosterone C) Insulin
A) Progesterone
What type of feedback system do most hormones operate under?
Negative feedback system.
True or False: Hormones can affect distant organs and tissues in the body.
True