Karteikarten
Zubayr Rashid Unit 3.3 (Circulation)
Karten in diesem Stapel (15)
- 1Unit 3.3Circulatory System
- 2Question 1) What are the three blood vessels in your body?- Arteries
-Capillaries
-Veins - 3Question 2) What do arteries do?They carry blood away from the heart.
- 4Question 3) What happens if an artery is cut?Then the high pressure within it causes blood to spurt out very quickly.
- 5Question 4) What is your pulse?The regular expansion and contraction of the arteries in response to the heartbeat can be felt.
- 6Question 5) Which is the finest of the blood cells?Capillaries
- 7Question 6) Why are capillaries only one cell thick?So this allows dissolved materials to pass through them
- 8Question 7) What do capillaries when joined form?Larger blood vessels called veins.
- 9Question 8) What do veins do?Veins carry blood back to the heart.
- 10Question 9) How is blood pushed back to the heart?By the contraction of the muscles pressing against the veins.
- 11Question 10) When do valves open?When blood is flowing towards the heart and close if the blood flows away from it.
- 12Question 11) When does a thrombus from?When blood thickens and forms a dangerous blood
- 13Question 12) What are bruisesWhen you bump yourself hard, some of the tiny capillaries near the skin burst and the blood leaks out the surrounding tissue.
- 14Question 14) How big is your heart?About the size of your fist.
- 15Question 15) What is angina?A lack of oxygen to the heart muscle causes angina.