Which parts of the circulatory system make up the network of vessels by which the heart pumps blood through the body?
a.
lungs, heart, and brain
b.
capillary, vein, and artery
c.
type a, type b, type ab, and type o
d.
platelets, plasma and oxygen

How does using straws hurt the sea turtles?

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition.b) one-fourth of the daughters of an affected man would have this condition.c) one-half of the daughters of an affected father and a carrier mother could have this condition.d) only if a woman is xxx could she have this condition.