Which chamber of the heart has the thickest walls?

The amount of blood pumped per minute is called?

During systole

Which type of blood vessel allows exchange of nutrients, wastes, and blood gases?

When exercise begins, blood flow is redirected from the __________ and __________ and sent to the muscles.

Which factor most determines blood flow resistance?

Blood supply to the heart tissues is provided by what arteries?

Together, the cardiovascular system and respiratory systems provide oxygen to the cells and remove carbon dioxide. Which of the following is NOT one of the 4 processes for doing this?

IN ORDER, starting from the nose air travels through the:

When at rest, the intercostal muscles move the ribs ________________ and the sternum ______________ during _______________.

During ___________________, the diaphragm muscle contracts and flattens down towards the abdomen.

Gas exchange is able to occur in the body because of the partial pressures of each gas ________________________. Thus, oxygen enters the blood while carbon dioxide leaves.

Myoglobin releases oxygen when:

With age, HRmax _____

Working together, the _________, _________, and _______ regulate breathing

Which of the following does NOT play a factor in stroke volume?

A good indicator of cardiorespiratory endurance; increases with exercise intensity until ~40-60% max then plateaus

Increases to active muscles during exercise and decreases to the organs

Measure of pressure against vessel walls

The sympathetic nervous system (epinephrine and norepinephrine) causes a rise in HR just before exercise

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