Interaction of Systems

Question 1

Explain the pulmonary system.

Answer 1

Pulmonary system exchanges oxygen and CO2 in blood.
Deoxygenated blood comes from the heart via the pulmonary artery.
CO2 is taken from blood and oxygen is taken into blood via the hemoglobin
Oxygenated blood returns to the heart via the pulmonary veins

Question 2

Explain how oxygenated blood is distrubuted

Answer 2

Blood travels through the aortic arch which has 3 branches that go up to the head and arms
Aortic arch travels downwards and becomes the thoracic artery
Thoracic artery splits into the Renal artery (to the kidney) and the iliac artery (for the lower half)

Question 3

Explain how deoxygenated blood is returned to the heart

Answer 3

Deoxygenated blood is transported from the renal vein (kidney), iliac vein (legs and thighs), hepatic (liver)
The 4 veins combine into the inferior vena cava
Superior vena cava transports deoxygfenated blood from the upper body

Question 4

Explain how nutrients are circulated throughout the body

Answer 4

Nutrients get absorbed mainly in the small intestine
The lymphatic system allows for the transport of fats and oils
Sugars, proteins, vitamins and salts get absorbed into the capillaries surrounding the villi in the small intestine and

Question 5

What are the signs of choking and the treatment?

Answer 5

Signs
- cant speak
- holding throat
- panicking
- attempting to cough
- becoming unconscious
- turning blue
Treatment
- encourage coughing
- remove blockage
- do not give fluids

Question 6

What are the effects of excercise

Answer 6

Raised heart rate

increased breathing