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Geography Grade11 > Life Science Grade 11(human Excretion) > Flashcards

Life Science Grade 11(human Excretion) Flashcards

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1
Q

What is the primary organ responsible for excretion in humans?

A

Kidneys

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2
Q

What is the functional unit of the kidney?

A

Nephron

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3
Q

What is the process by which waste products are removed from the blood in the kidneys?

A

Filtration

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4
Q

What is the name of the tube that carries urine from the kidney to the bladder?

A

Ureter

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5
Q

Where is urine stored before it is eliminated from the body?

A

Bladder

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6
Q

What is the term for the process of removing urine from the bladder?

A

Micturition

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7
Q

What is the waste product of protein metabolism excreted in urine?

A

Urea

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8
Q

Which hormone regulates the reabsorption of water in the kidneys?

A

Antidiuretic hormone (ADH)

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9
Q

What is the term for the process of reabsorbing useful substances back into the blood from the filtrate in the kidneys?

A

Reabsorption

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10
Q

What is the name of the outermost layer of the kidney?

A

Renal cortex

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11
Q

Which part of the nephron is responsible for reabsorbing water and ions?

A

Loop of Henle

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12
Q

What is the term for the formation of urine in the kidneys?

A

Urine formation

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13
Q

What is the process by which excess water and wastes are removed from the blood in the kidneys?

A

Excretion

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14
Q

Which part of the nephron is responsible for filtration of blood?

A

Glomerulus

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15
Q

What is the name of the process by which substances are actively transported from the blood into the filtrate in the kidneys?

A

Secretion

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16
Q

What is the term for the liquid waste excreted by the kidneys?

A

Urine

17
Q

Which blood vessel brings blood to the kidney for filtration?

A

Renal artery

18
Q

What is the term for the network of capillaries in the nephron where filtration occurs?

A

Glomerulus

19
Q

Which part of the nephron is responsible for the initial filtration of blood?

A

Bowman’s capsule

20
Q

What is the process by which substances are selectively reabsorbed from the filtrate back into the blood in the kidneys?

A

Selective reabsorption

21
Q

What is the name of the hormone that stimulates the production of red blood cells in response to low oxygen levels?

A

Erythropoietin

22
Q

Which part of the nephron is responsible for the final concentration of urine?

A

Collecting duct

23
Q

What is the term for the removal of nitrogenous wastes from the body?

A

Excretion

24
Q

Which part of the nephron is responsible for the reabsorption of glucose and amino acids?

A

Proximal convoluted tubule

Geography Grade11 (4 decks)

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