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Cambridge AS & A Level Biology 9700 — Revision Notes

1 · Cell Structure

0/26

2 · Biological Molecules

0/51

3 · Enzymes

0/29

4 · Cell Membranes and Transport

0/41

5 · The Mitotic Cell Cycle

0/21

6 · Nucleic Acids and Protein Synthesis

0/22

7 · Transport in Plants

0/28

8 · Transport in Mammals

0/39

9 · Gas Exchange

0/13

10-11 · Infectious Disease and Immunity

0/43

12 · Energy and Respiration

0/37

13 · Photosynthesis

0/23

14-15 · Homeostasis and Control

0/57

16 · Inherited Change

0/34

17-18 · Selection, Evolution, Classification and Conservation

0/69

19 · Genetic Technology

0/44
Quiz

8.1 The Circulatory System – Check yourself

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Circulatory System Biology 9700 check yourself quiz: free practice for Cambridge AS & A Level Biology 9700. Work through this Circulatory System Biology 9700 check yourself quiz and get instant feedback on every answer. If you get stuck, review the 8.1 The Circulatory System — 9700 Notes lesson. More practice: Cambridge AS & A Level Biology 9700 — all units. Syllabus: Cambridge AS & A Level Biology 9700 syllabus.

  • Questions count: 11
  • Passing grade: B
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1.

Mammals have a double circulation, which means

there are two hearts
blood flows in two directions
blood passes through the heart twice in one complete circuit
there are two types of blood
2.

Arteries have thick walls containing much elastic tissue and smooth muscle in order to

allow exchange of substances
withstand and maintain high blood pressure
prevent backflow
store blood
3.

Veins have

thin walls, a large lumen and valves
thick muscular walls and a narrow lumen
walls one cell thick
no lumen
4.

Capillary walls are

one cell thick (endothelium)
thick and muscular
lined with valves
made of collagen
5.

Tissue fluid is formed when

osmosis pulls water out
lymph leaks
red cells burst
high hydrostatic pressure at the arterial end of a capillary forces plasma out
6.

Most tissue fluid returns to the blood at the venous end of the capillary because

the water potential of the blood is lower than that of the tissue fluid and hydrostatic pressure has fallen
hydrostatic pressure is higher there
it is pumped
lymph pushes it
7.

Which blood cell has a lobed nucleus and carries out phagocytosis?

Neutrophil
Lymphocyte
Red blood cell
Platelet
8.

Red blood cells are adapted for oxygen transport by

having no nucleus and a biconcave shape
having many mitochondria
having a large nucleus
being very large
9.

The pulmonary artery carries

deoxygenated blood from the right ventricle to the lungs
oxygenated blood to the body
oxygenated blood to the heart
deoxygenated blood to the body
10.

Lymph differs from tissue fluid in

containing red blood cells
being found inside lymph vessels and containing more lymphocytes
having more oxygen
being inside capillaries
11.
IGCSE Biology 9.2 Heart - Question 11
IGCSE Biology 9.2 Heart - Question 11
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Part of 8 · Transport in Mammals — see every lesson and quiz in this unit.
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