A student makes the analogy that the cardiovascular system is like a highway. Why is this a good analogy? a. Blood is made of many different kinds of cells.
b. The heart pumps blood through the veins.
c. The heart is centralized in the body.
d. Blood transports materials to and from different parts of the body.

they absorb it i think

not sure

you

cellular respiration oxidizes food into energy in the form of atps.

glycolysis (6 c hexose) > 2x atps are used > 6c hexose biphosphate > 2 x 3c triphosphate >

2 x 3c pyruvate (2x nadh produced from nad) and (4x atp produced)

pyruvate actively pumped mitochondrial matrix.

several tissues working together form an organ, and several organs together make up an organisms.

the group of cell that carries out special jobs are tissue.