The challenges of size

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Question 6
Easy

Organisms use various systems and processes to transport substances around their bodies.

a.

The words in the list are processes, tissues, and blood vessels in animals and plants.

  • Aorta
  • Capillaries
  • Phloem
  • Pulmonary artery
  • Pulmonary vein
  • Transpiration
  • Vena cava
  • Xylem

Answer parts (i), (ii), and (iii) using words from this list.

(i) Name the blood vessel that carries deoxygenated blood from the right ventricle of the heart to the lungs. (ii) Name the plant tissue that transports water and dissolved mineral ions upwards from the roots. (iii) Name the blood vessel that carries oxygenated blood from the lungs back to the left atrium of the heart.

[3]
b.

The substances transported around an organism enter or leave cells by active transport, diffusion, or osmosis.

Decide which method of transport is used for each process. Copy the table or select the correct cell for each row:

Process / Substance movementActive transportDiffusionOsmosis
Carbon dioxide moving from respiring body cells into the blood
Glucose being absorbed from a lower concentration in the small intestine into the blood
Water moving from the soil into root hair cells
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The challenges of size Questions

  1. GCSE
  2. /Biology
  3. /The challenges of size