Circulatory System Functions Quiz
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Questions and Answers

The circulatory system moves only oxygen to the body's cells.

False

The heart is a muscular organ that pumps blood to all parts of the body.

True

Blood vessels include capillaries, arteries, and veins to carry blood pumped by the heart.

True

Oxygen-rich blood returns to the heart's right atrium before entering the left ventricle.

<p>False</p> Signup and view all the answers

Carbon dioxide is removed from the body when red blood cells pick up oxygen in the lungs.

<p>True</p> Signup and view all the answers

The heart has five chambers to separate oxygen-rich and low-oxygen blood.

<p>False</p> Signup and view all the answers

Blood delivers oxygen and nutrients but does not remove waste products from tissues and cells.

<p>False</p> Signup and view all the answers

Blood gathers food nutrients from the large intestine as it travels through capillaries.

<p>False</p> Signup and view all the answers

Blood that is high in oxygen collects in the heart's left atrium.

<p>True</p> Signup and view all the answers

The digestive system consists of the digestive tract and the liver only.

<p>False</p> Signup and view all the answers

The digestive system breaks down food into complex nutrients such as carbohydrates, fats, and proteins.

<p>False</p> Signup and view all the answers

Saliva contains enzymes that start to digest the proteins in food.

<p>False</p> Signup and view all the answers

The oesophagus carries food from the stomach to the mouth.

<p>False</p> Signup and view all the answers

The stomach breaks down food with gastric acids to help with digestion and absorption of vitamins and minerals.

<p>True</p> Signup and view all the answers

The digestive system begins at the mouth and ends at the large intestine.

<p>True</p> Signup and view all the answers

Saliva contains enzymes that start to digest the carbohydrates in food.

<p>True</p> Signup and view all the answers

The oesophagus is responsible for breaking down food with liquid (gastric acids) to help with digestion and absorption of vitamins and minerals.

<p>False</p> Signup and view all the answers

The stomach breaks down food into simple nutrients such as carbohydrates, fats, and proteins.

<p>False</p> Signup and view all the answers

Blood delivers oxygen and nutrients and also removes waste products from tissues and cells.

<p>True</p> Signup and view all the answers

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