5.3 Hormonal coordination in humans

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Question 5
Easy76%

Hormones are chemical messengers important for controlling many processes in the human body.

a.

How are hormones transported from the endocrine glands to their target organs?

Tick (✓\checkmark✓) one box.

[ ] Along sensory neurones [ ] Dissolved in the blood plasma [ ] In the lymphatic system

[1]
b.

Figure 1 shows some of the major endocrine glands in the human body.

Outline of a human body showcasing three glands. Gland X is located in the center of the brain. Gland Y is located at the front of the neck, shaped like a small butterfly. Gland Z consists of two small cap-like structures, each sitting on top of one of the kidneys.

Draw one line from each gland letter to its correct Name.

  • Gland X
  • Gland Y
  • Gland Z

Names:

  • Adrenal
  • Pituitary
  • Thyroid
  • Pancreas
[3]
c.

Which gland in Figure 1 produces adrenaline, which prepares the body for 'fight or flight'?

[1]
d.

State one physiological effect of adrenaline on the human body.

[1]
e.

Some hormones control the female menstrual cycle. Which hormone directly triggers ovulation (the release of a mature egg from the ovary)?

Tick (✓\checkmark✓) one box.

[ ] Follicle stimulating hormone (FSH) [ ] Luteinising hormone (LH) [ ] Estrogen

[1]
f.

Give two examples of non-hormonal barrier methods of contraception.

[2]

5.3 Hormonal coordination in humans Questions

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