Answer:this is definitely a covalent bond
:)
excretory system: removes waste from blood.
respiratory system: obtains oxygen so the energy in the nutrients can be extracted.
circulatory system: transports nutrients from small intestine to the othet tissues.
nervous system: regulates and controls digestive functioning.
( Am not completly sure, but i think this is the answer)
Answer:
George Washington is the first president
Answer:I think it is A DNA molecule 5
sorry if I am wrong
