LUOA 3.13.1 Body Systems Part 1 (Girl's Health)

Approximately how much blood is contained within the human body?

4-5 liters

Even at rest, the average heart easily pumps over ____________ of blood throughout the body every minute.

5 liters/1 gallon

Approximately, what is the size of a human heart?

The heart is about the size of a closed fist.

What is the largest organ in the body?

The skin

Which of the following are part of the cardiovascular/circulatory system

blood, blood vessels, heart

The lymphatic system is a system of capillaries, vessels, nodes, and other organs that transport a fluid called __________ from the tissues as it returns to the bloodstream.

lymph

The nervous system consists of the __________, __________ __________, __________ __________, and all the __________ that connect these organs with the rest of the body. (Select four.)

nerves, brain, spinal cord, sensory organs

The top of the heart, known as the heart's base, connects to the great blood vessels of the body. What are those great blood vessels? (Select all that apply.)

pulmonary trunk, the aorta, vena cava

The exocrine glands of the integumentary system produce _________, __________, and __________ to cool, protect, and moisturize the skin's surface. (Select three.)

wax, sweat, oil

Blood is made up of which of the following? (Select all that apply.)

white blood cells, platelets, red blood cells, liquid plasma