Biology: Circulatory System

The main function of the circulatory system is to provide:

• Oxygen

• Nutrients

• Hormones

• Blood

• Glucose

The Circulatory System provides several things to different places throughout the body. What are these places specifically?

• Muscles

• Tissues

• Organs

• Cells

• Other systems

Besides transporting important things throughout the body, what else can the Circulatory System do?

• Removes waste from cells and organs

• Excretes waste from the body

• produces red blood cells

• Breaks down the nutrients before transporting it around the body

Which of the following are the main components of blood?

• Red Blood Cells

• White Blood Cells

• Platelets

• Plasma

55% of the whole blood contains Plasma, which is composed of Water, Dissolved Gases, ___, and ___.

• Electrolytes

• Proteins (Albumin)

• Platelets

• Leukocytes

1% of the blood contains (1.)---, which is consisted of Platelets and (2.)___.

• 1. 1. Buffy Coat

• 2. Leukocytes

• 1. 1. Erythrocytes

• 2. Electrolytes

• 2. Plasma

45% of the blood contains ___.

• Plasma

• Erythrocytes

• Buffy Coat

TRUE or FALSE: Arteries carry Oxygen-Poor Blood toward the Heart while the Veins carry Oxygen-Rich Blood away from the Heart.

• TRUE

• FALSE

Which Blood vessel has elastic thick walls and which one has thin walls?

• Arteries = Thick walls & Elastic

• Arteries = Thin Walls

• Veins = Thick walls & Elastic

• Veins = Thin Walls

What is the inferior vena cava known for?

• The biggest vein

• The smallest vein

• The only vein that carries oxygenated blood