Biology - 0610 CIE

Blood Vessels

Muhtasari

Blood travels around your body through three kinds of vessel, each built for a different part of the journey: thick muscular arteries that withstand high pressure, thin-walled capillaries where exchange happens, and wide veins with valves that return blood gently to the heart.

In this lesson you will learn the structure of arteries, veins and capillaries and where the main vessels are found. Extended students will explain how each vessel's structure fits the pressure it carries and the job it does, and meet the special vessels that serve the liver.

Malengo

  1. Describe the structure of arteries, veins and capillaries, limited to: relative thickness of wall, diameter of the lumen and the presence of valves in veins
  2. State the functions of capillaries
  3. Identify in diagrams and images the main blood vessels to and from the: (a) heart, limited to: vena cava, aorta, pulmonary artery and pulmonary vein (b) lungs, limited to: pulmonary artery and pulmonary vein (c) kidney, limited to: renal artery and renal vein
  4. [Supplement] Explain how the structure of arteries and veins is related to the pressure of the blood that they transport
  5. [Supplement] Explain how the structure of capillaries is related to their functions
  6. [Supplement] Identify, in diagrams and images, the main blood vessels to and from the liver as: hepatic artery, hepatic veins and hepatic portal vein

Somo la Sauti

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Maelezo ya Somo

The three vessel types are a perfect example of structure fitting function, a theme examiners return to again and again. Knowing the named vessels of the heart, lungs and kidneys also lets you trace blood through the whole body, which underpins many circulation questions.

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Tathmini ya Somo

Hongera kwa kukamilisha somo la Blood Vessels. Sasa kwa kuwa umechunguza dhana na mawazo muhimu, ni wakati wa kuweka ujuzi wako kwa mtihani. Sehemu hii inatoa mazoezi mbalimbali maswali yaliyoundwa ili kuimarisha uelewaji wako na kukusaidia kupima ufahamu wako wa nyenzo.

Utakutana na mchanganyiko wa aina mbalimbali za maswali, ikiwemo maswali ya kuchagua jibu sahihi, maswali ya majibu mafupi, na maswali ya insha. Kila swali limebuniwa kwa umakini ili kupima vipengele tofauti vya maarifa yako na ujuzi wa kufikiri kwa makini.

Tumia sehemu hii ya tathmini kama fursa ya kuimarisha uelewa wako wa mada na kubaini maeneo yoyote ambapo unaweza kuhitaji kusoma zaidi. Usikatishwe tamaa na changamoto zozote utakazokutana nazo; badala yake, zitazame kama fursa za kukua na kuboresha.

  1. Which vessel has the thickest, most muscular wall? A. vein B. capillary C. artery D. lacteal Answer: C
  2. Valves are found in: A. arteries away from the heart B. capillaries C. veins D. the aorta only Answer: C
  3. The wall of a capillary is: A. one cell thick B. very muscular C. full of valves D. impermeable Answer: A
  4. Blood is carried away from the kidney by the: A. renal artery B. renal vein C. hepatic vein D. pulmonary vein Answer: B
  5. [Supplement] Blood rich in digested food is carried to the liver by the: A. hepatic artery B. hepatic vein C. hepatic portal vein D. renal artery Answer: C

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Vitabu Vinavyopendekezwa

Cambridge IGCSE Biology Coursebook
Cambridge IGCSE Biology Coursebook
Manukuu: Fifth edition
Mchapishaji: Cambridge University Press
Mwaka: 2021
ISBN: 978-1-108-74880-2
Maelezo: Endorsed coursebook with full coverage of the 0610/0970 syllabus, practical investigations and exam-style questions.
Cambridge IGCSE Biology
Cambridge IGCSE Biology
Manukuu: Fourth edition
Mchapishaji: Hodder Education
Mwaka: 2021
ISBN: 978-1-5104-7864-0
Maelezo: Endorsed textbook covering the Core and Supplement content with clear biological diagrams and questions.

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Ungependa kufanya mazoezi ya maswali ya majaribio kuhusu Blood Vessels? Pakua programu ya Green Bridge CBT ili kupata maswali ya majaribio na tathmini kamili za mazoezi kuhusu mada hii.

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