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6. where does the blood enter the heart from
- from the right side
- neither
- from the left and right side
- from the left side
7. what is the tranchea
- a chest cavity
- a rigid tube supported by cartilaginous rings. Diameter is controlled by smooth muscle action.
- a small tube that leads to your lungs and helps you to respire
- all of the 3 above
8. what do the capillaries do
- they are the smallest and most numerous blood vessels, also there are thin walls which allow efficent exchange of materials
- they are bigger and more important than veins and arteries and are our main source from blood
- they are in more places that can easily bleed like bladder area and other areas
- all of the above
9. what happens if we didnt have blood
- without the tissues you would die within 2 seconds
- without the tissues we would be starved of oxygen, nutrients, while waste products would gather.
- you would be fine
- It is essential and you would close up and suffocate without it.
10. what is the bloodstream loop
- the bloody loop
- the closed circulatory loop
- lungs loop
- bloodstream loop
11. Which muscular pump is located in the upper chest
12. what do arteries do
- all the one named
- only the top 2
- carry blood under high pressure, thicker walls, more elastic, smoothier muscle
- thinner walls non-return values and is small tunnell for the blood to travel in
13. what is the bronchi
- from the windpipe it goes to the stomach for indegestion
- none of these 3
- branch from the trachea into the left and right lungs.Share similar cartilaginous and smooth muscle properties to the trachea.
- little air sacs that can help you breath and respire properly and at a steady pace
14. what do veins do
- Carry blood under low pressure, thinner walls, less elastic, less smooth muscle and non-return valves
- only 3 and 4
- nothing just lots of small arteries thatdo the same thing
- they pass blood the the heart
15. what is the Pharynx
- none
- the region on your heart
- the region at the back of the throat where the passages of the nose and mouth meet, and above where the digestive and respiratory passages separate.
- cartilaginous and smooth muscle
16. how many chambers do the heart consent of
- 3 , 1 big one and 1 small one and 1 medium sized one
- 4 , 2 smaller chambers and 2 bigger and lower chambers
- 2 , 1 smaller one and 1 bigger one
- 4 , both the same