Other questions in this quiz

2. The medulla oblongata increases impulse frequency, via the sympathetic nervous system,to the SAN when..

  • Carbon dioxide levels are low in the blood plasma.
  • The organism is resting.
  • Carbon dioxide levels are too high in the blood plasma.
  • Blood pressure is too high.

3. An example of negative feedback in the Oestrous Cycle is..

  • High levels of Oestrogen stimulating further FSH production.
  • Progesterone harshly criticising Oestrogen's hard work on building the uterine lining
  • Low levels of Oestrogen inhibiting the production of FSH and LH
  • FSH stimulating LH to surge.

4. Which hormone do beta-cells in the Islets of Langerhans secrete?

  • Insulin
  • Adrenaline
  • Progesterone
  • Glucagon

5. Which bands of the sarcomere decrease in length during contraction?

  • I-band and A-band
  • I-band and H-zone
  • I-band, A-band and H-zone
  • Just the H-zone

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