Respiratory system + Blood components

Question 1

what does the Nasal cavities do

Answer 1

(stops dirt particles)

Question 2

Pharynx

Answer 2

It carries air, food and fluid down from the nose and mouth. (Digestive system and respiratory)

Question 3

Larynx

Answer 3

(voice box)(epiglottis little flap)

Question 4

trachea

Answer 4

Trachea tube to connects the bronchi is made of rings of cartilage

Question 5

What is the order of the respiratory system?

Answer 5

1 Nasal cavity 
2 Pharynx 
3 Larynx 
4 Trachea
5 Bronchi 
6 Bronchioles 
7 Alveoli

Question 6

what is diffusion

Answer 6

Diffusion from high concentration to low concentration

Question 7

explain gas exchange

Answer 7

The alveoli is covered in capillaries and transport co2 blood into the alveoli and exchange co2 for o2 in the so that the blood can be filled with oxygen (o2 diffuses into the blood cells) co2 diffuses into the aveoli)

Question 8

Is there more or less pressure during inhalation?

Answer 8

During Inhalation pressure decreases in the lunges (more space)

Question 9

is there more or less pressure while exhalation

Answer 9

Exhale the oxygen in the lunges goes up causing less volume (less space) pressure increase

Question 10

what is plasma made of

Answer 10

The plasma is made of water a transform blood and platelets

Question 11

what do Red blood cells do

Answer 11

Red blood : transports oxygen and releases carbon dioxide

Question 12

what do white blood cells do

Answer 12

White blood cells : protect and kill bacteria. ( contains nuclei)

Question 13

what is a reflex

Answer 13

Reflex: involuntary
Reflexes dont have to travel up to your brain for interpretation and for this reason they happen quickly. A reflex action involves a simple nervous pathway called a reflex arc. Receptors cells send signals along a sensory nerve to the spinal cord which then passes it along to a motor nerve. A muscle receives the signal and contracts.