Skip to content

Course home

Sign up

2.2 Animal tissues, organs and organ systems

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110
Question 33
F

There are 5 × 106 red blood cells in 1 mm3 of blood. An adult has 5 dm3 of blood. How many red blood cells does this adult have?

[1]
A

2.5×1072.5 \times 10^72.5×107

B

2.5×10102.5 \times 10^{10}2.5×1010

C

2.5×10132.5 \times 10^{13}2.5×1013

D

2.5×10162.5 \times 10^{16}2.5×1016

Markscheme

2.2 Animal tissues, organs and organ systems Questions

  1. GCSE
  2. /Biology
  3. /2.2 Animal tissues, organs and organ systems

179 exam-style questions on AQA GCSE Biology 2.2 Animal tissues, organs and organ systems, covering 2.2.1 The human digestive system, 2.2.2 The heart and blood vessels, 2.2.3 Blood, 2.2.4 Coronary heart disease: a non-communicable disease, 2.2.5 Health issues, 2.2.6 The effect of lifestyle on some non-communicable diseases, and 2.2.7 Cancer. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank