Blood is mentioned in the Quran in these verses:
[2:30] Recall that your Lord said to the angels, “I am placing a representative (a temporary god) on Earth.” They said, “Will You place therein one who will spread evil therein and shed blood, while we sing Your praises, glorify You, and uphold Your absolute authority?” He said, “I know what you do not know.”
[2:84] We made a covenant with you, that you shall not shed your blood, nor shall you evict each other from your homes. You agreed and bore witness.
[2:173] He only prohibits for you the eating of animals that die of themselves (without human interference), blood, the meat of pigs, and animals dedicated to other than God. If one is forced (to eat these), without being malicious or deliberate, he incurs no sin. God is Forgiver, Most Merciful.
[5:3] Prohibited for you are animals that die of themselves, blood, the meat of pigs, and animals dedicated to other than God. (Animals that die of themselves include those) strangled, struck with an object, fallen from a height, gored, attacked by a wild animal – unless you save your animal before it dies – and animals sacrificed on altars. Also prohibited is dividing the meat through a game of chance; this is an abomination. Today, the disbelievers have given up concerning (the eradication of) your religion; do not fear them and fear Me instead. Today, I have completed your religion, perfected My blessing upon you, and I have decreed Submission as the religion for you. If one is forced by famine (to eat prohibited food), without being deliberately sinful, then God is Forgiver, Merciful.
[6:145] Say, “I do not find in the revelations given to me any food that is prohibited for any eater except: (1) carrion, (2) running blood, (3) the meat of pigs, for it is contaminated, and (4) the meat of animals blasphemously dedicated to other than God.” If one is forced (to eat these), without being deliberate or malicious, then your Lord is Forgiver, Most Merciful.
[7:133] Consequently, we sent upon them the flood, the locusts, the lice, the frogs, and the blood – profound signs. But they maintained their arrogance. They were evil people.
[12:18] They produced his shirt with fake blood on it. He said, “Indeed, you have conspired with each other to commit a certain scheme. All I can do is resort to a quiet patience. May God help me in the face of your conspiracy.”
[16:66] And in the livestock there is a lesson for you: we provide you with a drink from their bellies. From the midst of digested food and blood, you get pure milk, delicious for the drinkers.
[16:115] He only prohibits for you dead animals, blood, the meat of pigs, and food which is dedicated to other than God. If one is forced (to eat these), without being deliberate or malicious, then God is Forgiver, Most Merciful.
[22:37] Neither their meat, nor their blood reaches God. What reaches Him is your righteousness. He has subdued them for you, that you may show your appreciation by glorifying God for guiding you. Give good news to the charitable.
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