Red blood cells . are only found in arteries
are made mostly of water
fight disease
carry oxygen

What is the one part of the nucleotide  that differs among the other different nucle  tides?

Plz ! what does it mean for an allele to be dominant?

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping