Answer:cardiac cells
Explanation:
The heart pumps blood and cardiac cells are found in the heart
protein is a macromolecule and protein is made up of amino acids.
Can I get brainliest?
Answer:
Im not sure how to circle but the three components should be circled...
Explanation:
There are 8 nucleotides in this picture.
A nucleotide consists of a phosphate group (the blue circle), a pentose sugar (the blue pentagon), and a nitrogenous base (the red, green, purple, and yellow hexagons). One nucleotide would only have one of the nitrogenous bases.
these are all parts plasma, red blood cells, white blood cells, and platelets