SCIENCE LESSON 1: Respiratory and Circulatory Systems

Question 1

It consists of organs in the body that help us to breath

Answer 1

Human Respiratory System

Question 2

It is a complex network of blood vessels that reaches all parts of our body.

Answer 2

Human Circulatory System

Question 3

Way of air to enter the body

Answer 3

Nostrils

Question 4

Channels the air down the airways

Answer 4

Pharynx

Question 5

Helps keep the lungs flexible

Answer 5

Pleural Membrane

Question 6

Allows air to enter the right lung

Answer 6

Right primary bronchus

Question 7

Protects the respiratory organs

Answer 7

Ribs

Question 8

Moves the ribs during breathing

Answer 8

Intercostal Muscles

Question 9

Helps pump the lungs

Answer 9

Diaphragm

Question 10

Carries out 02-C02 gas exchange

Answer 10

Lungs

Question 11

Purifies, humidifies the air

Answer 11

Nasal cavity

Question 12

Lets air and food enter

Answer 12

Oral cavity

Question 13

Keeps food from entering the airways

Answer 13

Epiglottis

Question 14

Letting air pass through speech production

Answer 14

Larynx

Question 15

Channels the air toward the left/right bronchi

Answer 15

Trachea

Question 16

Allows air to enter the left lung

Answer 16

Left primary bronchus

Question 17

Lets air reach the alveoli

Answer 17

Bronchioles

Question 18

Site for 02-C02 exchange

Answer 18

Alveoli

Question 19

Carry air into the lungs and branch into smaller bronchioles

Answer 19

Bronchial tube

Question 20

What is the function of the Respiratory System?

Answer 20

gas exchange

Question 21

What is the function of Diaphragm?

Answer 21

It contacts and relaxes during respiration to change the volume of the chest cavity

Question 22

The lungs bring into the body, and eliminates from the body

Answer 22

oxygen, carbon dioxide

Question 23

From what source do cells get their food?

Answer 23

Blood

Question 24

Which type of blood vessels carries blood away from the heart?

Answer 24

Arteries

Question 25

Why is oxygen important to blood and to the cells?

Answer 25

Oxygen is necessary for cell growth and energy

Question 26

It is a circuit that provides blood flow from the heart to the lungs; and back to the heart

Answer 26

Pulmonary Circulation

Question 27

It is a circuit that allows blood to flow from the heart to the rest of the body; excluding the lungs

Answer 27

Systemic Circulation

Question 28

It is a circuit that strictly provides blood to the tissues of the heart

Answer 28

Coronary Circulation

Question 29

It is the main organ of circulatory system

Answer 29

Heart

Question 30

It carries oxygen and nutrients throughout the body

Answer 30

Blood

Question 31

It is the pathway of blood

Answer 31

Blood vessels

Question 32

Away from the heart

Answer 32

Artery

Question 33

Towards the heart

Answer 33

Veins

Question 34

Connective vessels that are connected to the body tissues

Answer 34

Capillaries

Question 35

The correct circulation of blood

Answer 35

Lungs - Pulmonary Veins - Left Atrium - Left Ventricle - Aorta - Body Tissues - Vena Cava - Right Atrium - Right Ventricle