Hóng xuèxìbāo fùzé yùnshū yǎngqì.
Red blood cells are responsible for transporting oxygen.
Yīshēng jiǎnchále tā de xuèxìbāo shùliàng.
The doctor checked his blood cell count.
Bái xuèxìbāo zài miǎnyì xìtǒng zhōng qǐzhe zhòngyào zuòyòng.
White blood cells play an important role in the immune system.
