BIO 102 EXAM 2 QUESTIONS AND
ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT!!!
1. Circulatory systems ____
ANSWER✔✔ Rely on one or more pumps to transport fluids through vessels,
ensuring nutrient and gas exchange within the body.
An animal with an open circulatory system ____
ANSWER✔✔ Includes arthropods and most mollusks, where blood is not
contained within vessels but instead flows freely through body cavities.
Amphibians and most reptiles have ____
ANSWER✔✔ A closed circulatory system, where blood is contained in vessels
and pumped throughout the body by the heart.
The pulmonary circuit moves blood from ____
ANSWER✔✔ The heart to the lungs, where oxygen is absorbed and carbon
dioxide is expelled.
The circulatory system below would be representative of a circulatory system
found in a ____
ANSWER✔✔ Amphibian, bird, or mammal, where a double circulatory system is
present—one for oxygenated blood and one for deoxygenated blood.
An animal has a two-chambered heart and blood flows in a single circuit. This
animal is most likely a ____. -ANSWER✔✔A fish
, An animal has two atria and one ventricle and two vascular circuits. This animal is
most likely a(n) ____. -ANSWER✔✔Amphibian
An animal has two atria and two ventricles and two vascular circuits. This animal
is most likely a(n) ____. -ANSWER✔✔Bird or mammal
12. A key advantage of having a four-chambered heart is ____. -
ANSWER✔✔More efficient movement of oxygen around the body
13. Arteries carry ____. -ANSWER✔✔Blood away from the heart
When blood flows through pulmonary capillaries, it picks up ___ and releases ___.
-ANSWER✔✔Oxygen, Carbon dioxide
Pulmonary veins carry ____. -ANSWER✔✔Oxygen-rich blood to heart from
lungs
Blood pumped from the left ventricle goes into the ____. -ANSWER✔✔Aorta
Which structure associated with the human heart contains oxygen-rich blood? -
ANSWER✔✔Left side
The ____ contain(s) oxygen-poor blood. -ANSWER✔✔Right side
The heart is surrounded by the _____, a double layered sac that protects it and
anchors it in place. -ANSWER✔✔Pericardium
ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT!!!
1. Circulatory systems ____
ANSWER✔✔ Rely on one or more pumps to transport fluids through vessels,
ensuring nutrient and gas exchange within the body.
An animal with an open circulatory system ____
ANSWER✔✔ Includes arthropods and most mollusks, where blood is not
contained within vessels but instead flows freely through body cavities.
Amphibians and most reptiles have ____
ANSWER✔✔ A closed circulatory system, where blood is contained in vessels
and pumped throughout the body by the heart.
The pulmonary circuit moves blood from ____
ANSWER✔✔ The heart to the lungs, where oxygen is absorbed and carbon
dioxide is expelled.
The circulatory system below would be representative of a circulatory system
found in a ____
ANSWER✔✔ Amphibian, bird, or mammal, where a double circulatory system is
present—one for oxygenated blood and one for deoxygenated blood.
An animal has a two-chambered heart and blood flows in a single circuit. This
animal is most likely a ____. -ANSWER✔✔A fish
, An animal has two atria and one ventricle and two vascular circuits. This animal is
most likely a(n) ____. -ANSWER✔✔Amphibian
An animal has two atria and two ventricles and two vascular circuits. This animal
is most likely a(n) ____. -ANSWER✔✔Bird or mammal
12. A key advantage of having a four-chambered heart is ____. -
ANSWER✔✔More efficient movement of oxygen around the body
13. Arteries carry ____. -ANSWER✔✔Blood away from the heart
When blood flows through pulmonary capillaries, it picks up ___ and releases ___.
-ANSWER✔✔Oxygen, Carbon dioxide
Pulmonary veins carry ____. -ANSWER✔✔Oxygen-rich blood to heart from
lungs
Blood pumped from the left ventricle goes into the ____. -ANSWER✔✔Aorta
Which structure associated with the human heart contains oxygen-rich blood? -
ANSWER✔✔Left side
The ____ contain(s) oxygen-poor blood. -ANSWER✔✔Right side
The heart is surrounded by the _____, a double layered sac that protects it and
anchors it in place. -ANSWER✔✔Pericardium
