Question 1

Blood

Accepted Answer

a type of fluid connective tissue that circulates throughout the body, carrying substances to and away from bodily tissues, has a pH of about 7.4 and is more viscous than water

Question 2

Plasma

Accepted Answer

the liquid part of your blood that carries proteins, hormones, nutrients and other compounds

Question 3

Erythrocytes

Accepted Answer

-red blood cell
-size: 0.008 mm
-participate in gas exchange, primarily with oxygen and carbon dioxide

Question 4

Leukocytes

Accepted Answer

-white blood cell
-size: 0.02 mm
-protect the body from foreign substances by eliciting an immune response

Question 5

Thrombocytes

Accepted Answer

-platelets
-size: 0.003 mm
-aid in blood clotting and wound healing

Question 6

Albumin

Accepted Answer

-a protein made by the liver
-makes up 40 to 60% of the total proteins in the blood
-keeps fluid from leaking out of blood vessels; nourishes tissues; and transports hormones, vitamins, drugs, and substances throughout the body

Question 7

Buffy Coat

Accepted Answer

thin white layer that consists of white blood cells and platelets and is found between the reddish mass and plasma layers

Question 8

What are the three primary functions of blood?

Accepted Answer

transportation, regulation, and protection

Question 9

How does blood transport gases throughout the body?

Accepted Answer

delivers oxygen from the lungs to all cells in the body; it also transports carbon dioxide to the lungs for elimination from the body

Question 10

How does blood transport nutrients throughout the body?

Accepted Answer

transports nutrients from the digestive tract and storage sites in the body to various places in the body

Question 11

How does blood transport wastes throughout the body?

Accepted Answer

-transports waste products to the liver, where they are excreted as bile
-waste products also travel by blood to the kidneys when they need to be excreted as urine.

Question 12

How does blood transport hormones throughout the body?

Accepted Answer

transports hormones from the glands where they are produced to their target organs

Question 13

Vasodilate

Accepted Answer

when blood vessels expand, blood flows slowly, causing heat loss

Question 14

Vasoconstrict

Accepted Answer

blood vessels contract, causing less heat to be released

Cardiovascular System