👉 Red blood cells are small, round and lack a nucleus, allowing them to glide effortlessly through capillaries. They carry oxygen from lungs to body tissues, their job done with unmatched speed.
👉 Red blood cells are small, round and lack a nucleus, allowing them to glide effortlessly through capillaries. They carry oxygen from lungs to body tissues, their job done with unmatched speed.
https://goldloadingpage.com/word-dictionary/readers blood cells
