Circulatory System

Question 1

What is the circulatory system

Answer 1

System that transports materials throughout an animals body in fluid called blood.

Question 2

Is the circulatory system of the fetal pig open or closed?

Answer 2

Closed

Question 3

Blood pumped away from the heart through

Answer 3

arteries

Question 4

Name the decreasing order of arteries

Answer 4

arteries, arterioles, and capillaries

Question 5

What occurs at the capillary

Answer 5

Materials between the blood and interstitial fluid are exchanged

Question 6

Vessels of increasing diameter

Answer 6

Venules and veins

Question 7

______away from _____ and toward _____. ______ away from _____ and towards_____

Answer 7

Arteries are away from the heart and towards capilaries. Veins are away from capillaries and towards heart

Question 8

True or False: Unlike many invertebrates, all vertebrates have a four chambered heart

Answer 8

False: Unlike many vertebrates (fish, amphibians and reptiles) birds and mammals have a four chambered heart

Question 9

What is advantage and need for having a 4 chambered heart>

Answer 9

1. Mammals with four chambered heart us more energy, have high metabolic demands
2. separates oxygen depleted blood from oxygenated blood.

Question 10

A circulatory has two_____

Answer 10

separate and independent circuits.