Honors Biology Chapter 23 Review Questions and Correct Answers
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Course
Honors Biology
Institution
Honors Biology
Explain how gravity affects the circulatory system of terrestrial vertebrates. Gravity makes blood harder to transport. It makes the animals have stronger hearts and/or a heart closer to head.
Describe the general purpose and functions of a circulatory system. Circulatory system transports substan...
Honors Biology Chapter 23 Review
Questions and Correct Answers
Explain how gravity affects the circulatory system of terrestrial vertebrates. ✅Gravity
makes blood harder to transport. It makes the animals have stronger hearts and/or a
heart closer to head.
Describe the general purpose and functions of a circulatory system. ✅Circulatory
system transports substances around the body.
Compare the structures and functions of gastrovascular cavities, open circulatory
systems, and closed circulatory systems. ✅Gastrovascular cavities transport directly,
open circulatory systems dip cells directly in blood, closed circulatory system uses a
heart to pump blood in vessels.
Compare the cardiovascular system of a fish, an amphibian, a reptile, a bird, and a
mammal. ✅Fish pumps blood with a 2 chamber heart and in a single circuit. Others
have a 4 chamber heart and have 2 circuits that does not mix.
Describe the pathway of blood through the mammalian cardiovascular system. ✅The
right atrium's where the process begins, where the CO2 Blood enters the heart.
Through the tricuspid valve, to the right ventricle, the pulmonary artery, and lungs.
Once inside the lungs, it dumps its carbon dioxide and picks up its oxygen supply.
Then it's back to the heart through the pulmonary vein, through the atrium and left
ventricle.
The aortic valve's, where the Blood leaves the heart, then it's channeled to the rest of
the bod.
The arteries, arterioles, and capillaries too bring the oxygenated Blood to the cells.
The tissues and the cells trade off waste and CO2, which is carried through the venules
and the veins
Through the larger vena cava to the atrium and lungs, and we're back to where we
started in the heart.
Distinguish between diastole and systole. Explain what keeps blood moving in the
correct direction within the heart and what causes heartbeats. ✅During diastole, blood
flows from vein to heart chambers. Blood flows from atria to ventricles. There are valves
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