Lesson 29 Lecture Notes

Question 1

The function of the circulatory system

Answer 1

Carries nutrients, oxygen, and hormones

Carries away wste products

Question 2

Plasma

Answer 2

Pale yellow liquid composed mostly of water. Contains nutrients, wastes, hormones, and proteins

Question 3

What are the three proteins?

Answer 3

Albumin, Globulins, and Fibrogen

Question 4

What are the formed elements of blood?

Answer 4

red and white blood cells and platelets

Question 5

Mature red blood cells last for how many days?

Answer 5

120

Question 6

Mature red blood cells lack

Answer 6

organelles, including a nucleus

Question 7

White blood cells are much rarer. They have

Answer 7

organelles, and can move with ameboid motion

Question 8

Artery order

Answer 8

arteries, arterioles, capillaries

Question 9

deoxygenated blood from the Upper portion of the body enters the heart through the

Answer 9

superior vena cave

Question 10

what is the pericardium?

Answer 10

surrounds and protects the heart

Question 11

How many valves are in the heart?

Answer 11

4

Question 12

Aortic Semilunar

Pulmonary semilunar

Answer 12

Aortic- left ventricle to aorta

Pulmonary- right ventricle to pulmonary arteries and to the lungs

Question 13

ribs are flexible to

Answer 13

allow expansion of the lungs

Question 14

intercostal muscles

Answer 14

contract to lift ribs and breastbone

Question 15

the medulla oblongata regulates

Answer 15

respiration