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Paddy Biology > U2 Transport Systems - Animals > Flashcards

U2 Transport Systems - Animals Flashcards

1
Q

What does blood contain?

A

Blood plasma, white blood cells, red blood cells

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2
Q

What does blood transport?

A

Nutrients, oxygen and carbon dioxide

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3
Q

What allows blood to transport oxygen?

A

It’s biconcave shape, lack of a nucleus and haemoglobin

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4
Q

What does oxygen and haemoglobin form?

A

Oxyhaemoglobin

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5
Q

What is a pathogen?

A

A disease causing microbe

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6
Q

What are the two type of white blood cells?

A

Lymphocytes and Phagocytes

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7
Q

What is phagocytosis?

A

When phagocytes engulf and digest pathogens

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8
Q

What do lymphocytes produce?

A

Anti-bodies specific to pathogens

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9
Q

What carries deoxygenated blood to the heart?

A

Vena Cava

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10
Q

What carries deoxygenated blood from the heart?

A

Pulmonary Artery

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11
Q

What carries oxygenated blood to the heart?

A

Pulmonary Vein

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12
Q

What carries oxygenated blood away from the heart?

A

Aorta

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13
Q

Where is deoxygenated blood received in the heart?

A

Right Atrium

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14
Q

Where does deoxygenated blood leave the heart?

A

Right ventricle

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15
Q

Where does oxygenated blood enter the heart?

A

Left Atrium

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16
Q

Where does oxygenated blood leave the heart?

A

Left Ventricle

17
Q

What is the structure of an Artery?

A

Has a thick muscular wall, a narrow central channel and carries blood under high pressures away from the heart.

18
Q

What is the structure of a vein?

A

Contain valves stopping blood backflow, thinner walls, a wider channel and carry blood under low pressure to the heart.

19
Q

What is the structure of a blood capillary?

A

Thin walled with a large surface area allowing for efficient exchange of materials

20
Q

What supplies the heart with oxygenated blood?

A

The coronary artery

Paddy Biology (19 decks)

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