Space travel damages red blood cells quicker than on Earth

Vocabulary: I will read the words, meanings, and sample sentences. Then, repeat after me. astronaut /AS-truh-nawt/ [noun] – a person who has been trained for traveling in space I wanted to be the first astronaut to set foot on Mars. red blood cell /red bluhd sel / [noun] – any of the cells that carry oxygen around the body Malaria is an infectious disease caused by the presence of plasmodium parasites in red blood cells. duration /doo-REY-shuhn/ [noun] – the length of time that something lasts He planned a stay of two years’ duration. weightlessness /WEYT-lis-nis/ [noun] – the state of having or appearing to have no weight; the fact…
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