Podcast
Questions and Answers
The circulatory system moves only oxygen to the body's cells.
The circulatory system moves only oxygen to the body's cells.
False (B)
The heart is a muscular organ that pumps blood to all parts of the body.
The heart is a muscular organ that pumps blood to all parts of the body.
True (A)
Blood vessels include capillaries, arteries, and veins to carry blood pumped by the heart.
Blood vessels include capillaries, arteries, and veins to carry blood pumped by the heart.
True (A)
Oxygen-rich blood returns to the heart's right atrium before entering the left ventricle.
Oxygen-rich blood returns to the heart's right atrium before entering the left ventricle.
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Carbon dioxide is removed from the body when red blood cells pick up oxygen in the lungs.
Carbon dioxide is removed from the body when red blood cells pick up oxygen in the lungs.
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The heart has five chambers to separate oxygen-rich and low-oxygen blood.
The heart has five chambers to separate oxygen-rich and low-oxygen blood.
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Blood delivers oxygen and nutrients but does not remove waste products from tissues and cells.
Blood delivers oxygen and nutrients but does not remove waste products from tissues and cells.
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Blood gathers food nutrients from the large intestine as it travels through capillaries.
Blood gathers food nutrients from the large intestine as it travels through capillaries.
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Blood that is high in oxygen collects in the heart's left atrium.
Blood that is high in oxygen collects in the heart's left atrium.
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The digestive system consists of the digestive tract and the liver only.
The digestive system consists of the digestive tract and the liver only.
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The digestive system breaks down food into complex nutrients such as carbohydrates, fats, and proteins.
The digestive system breaks down food into complex nutrients such as carbohydrates, fats, and proteins.
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Saliva contains enzymes that start to digest the proteins in food.
Saliva contains enzymes that start to digest the proteins in food.
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The oesophagus carries food from the stomach to the mouth.
The oesophagus carries food from the stomach to the mouth.
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The stomach breaks down food with gastric acids to help with digestion and absorption of vitamins and minerals.
The stomach breaks down food with gastric acids to help with digestion and absorption of vitamins and minerals.
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The digestive system begins at the mouth and ends at the large intestine.
The digestive system begins at the mouth and ends at the large intestine.
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Saliva contains enzymes that start to digest the carbohydrates in food.
Saliva contains enzymes that start to digest the carbohydrates in food.
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The oesophagus is responsible for breaking down food with liquid (gastric acids) to help with digestion and absorption of vitamins and minerals.
The oesophagus is responsible for breaking down food with liquid (gastric acids) to help with digestion and absorption of vitamins and minerals.
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The stomach breaks down food into simple nutrients such as carbohydrates, fats, and proteins.
The stomach breaks down food into simple nutrients such as carbohydrates, fats, and proteins.
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Blood delivers oxygen and nutrients and also removes waste products from tissues and cells.
Blood delivers oxygen and nutrients and also removes waste products from tissues and cells.
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