Dissect a Sheep Heart (Leaving Cert Agricultural Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Why is a sheep heart suitable for studying human cardiovascular anatomy?
Why is a sheep heart suitable for studying human cardiovascular anatomy?
Similar size & structure to human heart
What is the purpose of green food dye in heart dissection?
What is the purpose of green food dye in heart dissection?
To trace blood flow in coronary arteries
What does the aorta do?
What does the aorta do?
Carries oxygenated blood to body
How do coronary arteries appear on the heart's surface?
How do coronary arteries appear on the heart's surface?
White, branching lines running diagonally
Why does the left ventricle have thicker walls than the right ventricle?
Why does the left ventricle have thicker walls than the right ventricle?
It pumps at higher pressure to body
How many cusps does the tricuspid valve have?
How many cusps does the tricuspid valve have?
Three
Why are atrial walls thinner than ventricular walls?
Why are atrial walls thinner than ventricular walls?
They only push blood short distance
What is the function of semi-lunar valves?
What is the function of semi-lunar valves?
Prevent backflow into heart
What is the function of the septum?
What is the function of the septum?
Separates oxygenated & deoxygenated blood
Which safety measure is essential during heart dissection?
Which safety measure is essential during heart dissection?
Wear protective gloves