Biology, 24.05.2021 22:50, smithad382
Which of the following is NOT a characteristic of vein.
A) Valves prevent backward flow of blood
B) returns blood to the heart
C) Walls are one cell thick
D) contracts to push blood along
Answers: 1
Biology, 22.06.2019 02:00, jaquiel9358
Name the glands associated with human digestive system
Answers: 1
Biology, 22.06.2019 03:00, Aminton737
What percentage of light hits earth's surface directly?
Answers: 3
Biology, 22.06.2019 15:10, sydneip2394
Asap many people try to eliminate fat from their diets which is one reason it is necessary for humans to eat fat a) fat is the only way to get energy b) every cell in the body must contain fat c)fat stores less energy than polysaccharides d) saturated fats make blood vessels healthier
Answers: 1
Which of the following is NOT a characteristic of vein.
A) Valves prevent backward flow of blood
Mathematics, 15.05.2021 23:20
Mathematics, 15.05.2021 23:20
English, 15.05.2021 23:30