Cardiovascular System: Anatomy and Physiology

At the level of T1–T4, facing backwards and upwards to the right

At the level of L1–L3, facing forwards and downwards to the right

At the level of T9–T12, facing backwards and upwards to the left

At the level of T5–T8, facing forwards and downwards to the left (correct)

To protect the body against infections

To produce hormones for the body

To regulate body temperature

To transport nutrients and oxygen-rich blood to all parts of the body (correct)

To aid in digestion

To produce red blood cells

To regulate blood pressure

To fix the heart to the mediastinum, protect against infection, and provide lubrication for the heart (correct)

<p>Oxygenated blood leaves the heart via arteries, passes through a network of capillaries, and then deoxygenated blood returns to the heart via veins</p> Signup and view all the answers

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