The endocrine system secretes hormones into the bloodstream from glands throughout the body. Hormones produce an effect on specific target organs in the body.
How are hormones transported around the body?
Through the blood
From cell to cell
Which gland is termed the master gland?
Which gland produces the hormone insulin?
Which part of the brain has a role in detecting and regulating thyroxine levels?
The control of thyroxine levels in the blood is by which mechanism?
Which two hormones are inhibited by the oral contraceptive pill?
Oestrogen and progesterone
FSH and LH
Oestrogen and testosterone
Which of these is a possible side effect of taking the oral contraceptive pill?
Coughs and sneezes
Changes in weight, mood and blood pressure
Which of these is an effect of the release of the hormone adrenaline? - Higher
Slowing of the heartrate
Dilation of blood vessels in muscles
For what reason are the hormones FSH and LH used in fertility treatment? - Higher
To increase the frequency and number of mature eggs released at ovulation
To prevent eggs from being released at ovulation
To increase the size of the lining of the uterus
Which two hormones are involved in the menstrual cycle? - Higher
Testosterone and oestrogen
Insulin and glucagon
Progesterone and oestrogen