The Lymphatic, Urinary, and Endocrine Systems Flashcards

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1
Q

What does the lymphatic system do?

A

The lymphatic system removes excess fluid from your body’s tissues and returns it to the bloodstream.

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2
Q

What is a gland?

A

A gland is a group of cells that prepare and release a chemical for use by the body.

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3
Q

What are lymphocytes?

A

Lymphocytes are white blood cells found in the lymphatic system.

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4
Q

What are B-cells?

A

B-cells are lymphocytes that produce antibodies that attack disease-causing microorganisms.

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5
Q

What are T-cells?

A

T-cells are lymphocytes that attack microorganisms directly.

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6
Q

What is a vaccine?

A

A vaccine is a weakened or inactive version of a pathogen that stimulates the body’s production of antibodies.

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7
Q

What does the urinary system do?

A

The urinary system controls the amount of water the body retains and the levels of many substances in that water.

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8
Q

What brings blood into the kidneys?

A

The renal artery.

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9
Q

What takes blood away from the kidneys?

A

The renal vein.

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10
Q

What do nephrons do?

A

Nephrons filter the blood in the kidney.

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11
Q

What is the renal pelvis?

A

The renal pelvis is the area through which chemicals not reabsorbed into the blood leave the kidney.

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12
Q

What holds urine until it leaves the body?

A

The bladder.

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13
Q

Where does urine leave the body?

A

The urethra.

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14
Q

What is a hormone?

A

A hormone is a chemical messenger released into the bloodstream that sends signals to distant cells, causing them to change their behavior in specific ways.

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15
Q

What is the hypothalamus?

A

The hypothalamus is one of the main regulators of the endocrine system. It controls the pituitary gland.

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16
Q

What is the pituitary gland?

A

The pituitary gland is what controls the glands in the endocrine system.

17
Q

What does the thyroid gland affect?

A

The thyroid gland affects the basal metabolic rate.

18
Q

What does the parathyroid gland regulate?

A

The parathyroid gland regulates the level of calcium in the body.

19
Q

What does the thymus gland do?

A

The thymus gland releases a hormone that stimulates the development of white blood cells.

20
Q

What does the adrenal gland produce?

A

The adrenal gland produces cortisol, which causes the liver to release more glucose so that there is plenty of available energy.

21
Q

What is the endocrine purpose of the pancreas?

A

The pancreas produces insulin, which enables glucose to enter the cells.