Sheep's Heart Dissection (Revised) is a Grade 10 biology worksheet that builds practical heart-anatomy identification skills through 15 multiple-choice questions. Students interpret numbered labels and colored pins to identify chambers, valves, vessels, the septum, papillary muscle, atria, and the apex in dissection views. They also apply foundational physiology by determining which side carries oxygenated blood, identifying the pulmonary artery as the artery carrying deoxygenated blood, and matching valves to their attached structures.
This worksheet is useful after a heart anatomy lesson or sheep-heart dissection, when students need to connect visible structures with correct biological terminology. The varied prompts require students to distinguish similar chambers and vessels, recognize internal support structures, and use directional and positional clues from labeled images. It is a free printable worksheet with an answer key, suitable for independent practice, review, or a post-lab check of understanding.
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Sheep's Heart Dissection (Revised)
Total questions: 15
Name
Class
Date
1.
Identify the heart chamber labeled #1
a)
right atrium
b)
left atrium
c)
left ventricle
d)
right ventricle
2.
The heart valve labeled #7 is
a)
bicuspid or mitral
b)
tricuspid
c)
aortic semilunar
d)
pulmonary semilunar
3.
The heat structure labeled #4 is
a)
septum
b)
apex
c)
left ventricle
d)
papillary muscle
4.
The green pin is in this muscle in the ventricular walls.
a)
pectinate
b)
chordae tendineae
c)
papillary muscle
d)
ham
5.
Name the heart vessel with the purple pin
a)
Superior Vena Cava
b)
Femoral Artery
c)
Aorta
d)
Brachiocephalic
6.
Name the vessel that the pin is in
a)
pulmonary artery
b)
aorta
c)
pulmonary veins
d)
vena cava
7.
The structure labeled #6 is
a)
left auricle or atrium
b)
right auricle or atrium
c)
left ventricle
d)
adipose tissue
8.
Which side of the heart oxygenated blood flows?
a)
Left side only
b)
Right side only
c)
Both right and left
d)
Neither side
9.
Name two valves of the heart that are attached to these structures (yellow pin)
a)
aortic & bicuspid (mitral)
b)
bicuspid (mitral) & tricuspid
c)
tricuspid & pulmonary
d)
pulmonary & aortic
10.
What structure of the heart is this (11) ?
a)
Superior Vena Cava
b)
Inferior Vena Cava
c)
Right Pulmonary Vein
d)
Left Pulmonary Vein
11.
What structure of the heart is this (16)?
a)
Right Atrium
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
12.
What structure of the heart is this (21)?
a)
Chordae Tendinae
b)
Papillary Muscles
c)
Septum
d)
Myocardium
13.
The pins are in the _________.
a)
atria (auricles)
b)
occluded artery
c)
anastomosis
d)
ascending aorta
14.
During a dissection, you make a lateral incision (cut) downward on the left side of the heart toward the tip (shown in green) called ___
a)
Apices
b)
Groove
c)
Ventricle
d)
Apex
15.
This is the only artery in your body that carries deoxygenated blood.
a)
Coronary
b)
Pulmonary
c)
Aortic
d)
Carotid
Answer Key
Sheep's Heart Dissection (Revised)
Total questions: 15
1.
a)
right atrium
2.
a)
bicuspid or mitral
3.
a)
septum
4.
c)
papillary muscle
5.
c)
Aorta
6.
c)
pulmonary veins
7.
a)
left auricle or atrium
8.
a)
Left side only
9.
b)
bicuspid (mitral) & tricuspid
10.
b) Inferior Vena Cava
11.
c) Left Atrium
12.
c) Septum
13.
a)
atria (auricles)
14.
d)
Apex
15.
b)
Pulmonary
140 %
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FAQs
What does this Sheep's Heart Dissection worksheet help students learn?
This Grade 10 biology worksheet uses 15 multiple-choice questions to have students identify numbered structures and colored-pin locations in sheep-heart dissection views. Students distinguish chambers, valves, major vessels, the septum, papillary muscle, atria, and apex, then apply those identifications to oxygenated blood flow and valve attachments.
How can I use this worksheet to teach sheep heart anatomy?
Use the worksheet after introducing the heart’s chambers, valves, vessels, and internal support structures, or after a sheep-heart dissection. Have students first identify the labeled structures independently, then discuss why the left side carries oxygenated blood, why the pulmonary artery carries deoxygenated blood, and how the mitral and tricuspid valves relate to the pictured support structures.
What mistakes should I watch for when students complete this heart dissection worksheet?
Students may reverse the right and left atria or ventricles when interpreting the labeled dissection views, and they may confuse the aorta, pulmonary vessels, and venae cavae. Watch also for confusion between the septum and myocardium, papillary muscles and chordae tendineae, and the apex at the tip of the heart versus a chamber or groove.
How do I assign and grade this Sheep's Heart Dissection worksheet?
Wayground provides this worksheet as a printable PDF and as a digital quiz, and it includes a complete answer key for all 15 multiple-choice questions. You can assign the digital version through Wayground or print it for students; printable submissions can be graded by scanning student work with the Wayground for Teachers app.
How can I differentiate this sheep heart anatomy worksheet for my students?
In the worksheet’s Advanced Settings, adjust font spacing or increase the font size so the numbered labels, colored-pin prompts, and answer choices are easier to read. You can also enable a dyslexia-friendly font or translate the worksheet into another language while preserving its multiple-choice anatomy practice.
Where can I find more worksheets like this on Wayground?
Wayground offers a comprehensive collection of free printable worksheets and practice problems across subjects, with downloadable PDFs and answer keys to help students master essential skills and concepts. Browse more resources at https://wayground.com/en-us/worksheets.