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WorksheetsCirculatory System
Total questions: 15
Worksheet time: 15mins
Pumping organ of the circulatory system
Heart
Aorta
Septum
Which is not a part of the heart?
Septal wall
Pulmonary valve
Coronary artery
Sphincter
Which of these blood vessels carry deoxygenated blood? Choose three
Pulmonary Vein
Pulmonary Artery
Inferior Vena Cava
Carotid Artery
Jugular Vein
The largest artery in the body
(a)
Which of the following is the correct path of blood starting from the left ventricle?
aorta - vena cava - arteries - organs - veins - right atrium - lungs
aorta - arteries - organs - veins - vena cava - right atrium
left atria - lungs - pulmonary vein - heart - aorta - organs
left atria - pulmonary veins - lungs - pulmonary artery - right ventricle
How many chambers does a frog heart have?
(a)
True of False. In a frog heart, there is mixing of oxygen-containing and oxygen-lacking blood
True
False
These structures prevent the blood from backing up to the atria
Septum
Valves
Veins
Arteries
Most numerous cell in the blood
White blood cells
Red blood cells
Platelets
Plasma
The smallest and thinnest blood vessel
Arterioles
Capillaries
Venules
Medium arteries
The red blood cells of the toads are nucleated
True
False
What are the functions of the circulatory system? Check all that applies
Removes wastes from the body
Absorption of nutrients
Distribution of nutrients and oxygen
Phagocytosis of harmful microbes
Wound healing and blood clotting
Largest vein in the body
Superior vena cava
Inferior vena cava
Vena Cava
In toads, this structure separates the left and right atrium
Septum
Valve
Endomysium
Vessel where gas exchange occurs
Arteriioles
Venules
Capillaries
