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Science~Term 4~2018~Body Systems > Definitions Chapter 3 > Flashcards

Definitions Chapter 3 Flashcards

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Biology 101 flashcards
1
Q

Alveoli Definition

A

A cluster of sacks at the end of the bronchiole where gas exchange takes place.

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2
Q

Anus Definition

A

A sphincter muscle at the end of the digestive tract.

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3
Q

Artery Definition

A

A blood vessel that carries blood away from the heart.

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4
Q

Bladder Definition

A

A muscular bag where urine is stored before it is expelled from the body.

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5
Q

Bronchi Definition

A

Tubes formed by the division of the trachea.

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6
Q

Bronchioles Definition

A

Small tubes formed by the division of the bronchi.

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7
Q

Cholesterol Definition

A

A fatty chemical that can cause blockages in arteries.

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8
Q

Deoxygenated blood Definition

A

Blood with very little oxygen and lots of carbon dioxide

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9
Q

Liver Definition

A

The largest internal organ, it produces bile

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10
Q

Oesophagus Definition

A

The part of the digestive system that connects the mouth to the stomach

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11
Q

Organ Definition

A

A structure that contains at least two different types of tissues that work together to complete a task.

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12
Q

Pancreas Definition

A

An organ associated with the digestive system that produces chemicals to help the digestion of carbs fats and proteins

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13
Q

Peristalsis Definition

A

The process of pushing food through the digestive tract by alternating between contracting and relaxing muscles in a wave like motion.

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14
Q

Respitory System Definition

A

The system of organs and tissues that takes air into the body.

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15
Q

Saliva Definition

A

Watery liquid containing a chemical that acts as a lubricant that eases the path of food down the oesophagus

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16
Q

Small intestine Definition

A

The longest part of the digestive tract

17
Q

Tissue Definition

A

A group of cells of the same type that carry out the same job in the body.

18
Q

Urea Definition

A

A waste product from the breakdown of proteins

19
Q

Urethra Definition

A

A tube that carries urine to the outside of the body.

20
Q

Vein def

A

Blood vessel that carries blood back to the heart.

21
Q

Villi Definition

A

Microscopic finger like projections that increase the surface area of the small intestine.

22
Q

Large intestine Definition

A

The final section of the digestive tract

23
Q

Digestive system Definition

A

The system of the body where digestion takes place

24
Q

Digestion Definition

A

The process of breaking down food into a useable form.

25
Q

Diaphragm Definition

A

A sheet of muscle that separates the chest from the abdomen

Science~Term 4~2018~Body Systems (2 decks)

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