Which series best illustrates the pathway of blood flow in a closed circulatory system?
a. heart, veins, arteries, capillaries
b. heart, veins, capillaries, arteries
c. heart, arteries, veins, capillaries
d. heart, arteries, capillaries, veins

What is the similarities and differences between bacteria and eukaryote?

The first amino acid of a new polypeptide chain is

Which of the following situations describes a adaptation for a mole? question 2 options: a mole is blind and cannot see underground. a mole is bright and attracts the attention of predator birds. a mole has a sensitive sense of smell to it find food underground.