Body Systems

Question 1

What are the 12 Body systems?

Answer 1

1. Cardiovascular (Heart, Veins)
2. Respiratory
3. Digestive (Stomach, intestines)
4. Endocrine (Hormones)
5. Nervous (Brain, spinal cord)
6. Immune
7. Lymphatic
8. reproductive
9. Muscular
10. Integumentary
11. Skeletal
12. Excretory

Question 2

What are the 3 layers of the cardiovascular system?

Answer 2

Epicardium (Outer most layer)
Endocardium (Inner most layer)
Myocardium (Middle/most muscular layer)

Question 3

What does the Myocardium do for the heart?

Answer 3

It allows the heart to act like a pump.

Question 4

What is pericardium?

Answer 4

Sacs that protect the heart from trauma and infection.

Question 5

What are the circulation types?

Answer 5

1. Pulmonary circulation
2. Systemic circulation

Question 6

What side does pulmonary circulation start on?

Answer 6

Right side of the heart.

Question 7

What does it mean when the color of a heart diagram is blue?

Answer 7

It lacks oxygen= Deoxygenated blood.

Question 8

What side does systemic circulation start on?

Answer 8

Left side of the heart.

Question 9

What does it mean when the color of a heart diagram is red?

Answer 9

It contains oxygenated blood.

Question 10

Where does systemic circulation begin?

Answer 10

The left atrium.

Question 11

What is the ONLY vein that carries oxygenated blood?

Answer 11

Pulmonary vein.

Question 12

Where is myocardium located in the heart?

Answer 12

Left ventricle.

Question 13

What is the largest artery in the heart?

Answer 13

Aorta.

Question 14

Where does pulmonary circulation stop at?

Answer 14

The lungs.

Question 15

How many valves are there in the heart?

Answer 15

4

Question 16

What is the purpose of a valve?

Answer 16

Allows blood to flow in one direction.

Question 17

What is the ONLY artery that carries deoxygenated blood?

Answer 17

Pulmonary artery.

Question 18

Where does gas exchange occur?

Answer 18

The lungs.

Question 19

What are the largest veins of the heart?

Answer 19

Superior vena cavae and Inferior vena cavae.

Question 20

Where does the superior vena cavae bring blood from?

Answer 20

The upper portion of the body to the heart.

Question 21

Where does the inferior vena cava bring blood from?

Answer 21

The lower portion of the body to the heart.

Question 22

How does blood flow through the heart?

Answer 22

1. Inferior vena cava (lower portion of body) and Superior vena cava (upper portion of the body)
2. Right atrium
3. Tricuspid valve
4. Right ventricle
5. Pulmonary semi-lunar valve
6. Lungs
7. Pulmonary veins
8. Left atrium
9. Bicuspid/Mitral valve
10. Left ventricle
11. Aortic semi-lunar valve
12. Aorta