2.1.1-2.2.3 Flashcards

1
Q

Brain

Cerebrum

A

The dorsal portion composed of right and left hemisphere; integrating center for memory, learning, emotions, and other highly complex functions of the CNS

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2
Q

Brain

Cerebellum

A

A large dorsally projecting part of the brain concerned especially with the coordination of muscles and the maintenance of bodily equilibriums, situated between the brain stem and the back of the cerebrum.

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3
Q

Brain

Brain stem

A

The part of the brain that is composed of the midbrain, pons, amd medulla oblongata and connecting the spinal cord with the forebrain and cerebrum. Responsible for basic vital functions (i.e breathing, consciousness, blood pressure, heart rate, and sleep)

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4
Q

Brain Stem

Pons

A

Regulates unconscious processes (i.e circadium rhythm and breathing). Part of the brain stem

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5
Q

Brain Stem

Medulla Oblongata

A

Regulates heart rate, breathing, and circulation. Part of the brain stem.

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6
Q

Brain

Parietal Lobe

A

Responsible for sensing touch, special processing (being able to tell where objects are in space), language, and memory

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7
Q

Brain

Occipital Lobe

A

Primarily responsible for visual perception and are involved in some forms of visual short-term memory

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8
Q

Brain

Frontal Lobe

A

Play a large role in behavior and personality, such as planning, voluntary muscle movements, mood, emotions, social interactions, attention, as well as memory retrieval and storage.

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9
Q

Brain

Temporal Lobe

A

Responsible for processing smell and sound, as well as the ability to recognize and understand words and language. They are involved in visual memory.

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10
Q

Brain

Motor Cortex

A

Part of the brain where nerve impulses initiate voluntary muscle activity

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11
Q

Brain

Sensory Cortex

A

All received sensory input signals, such as touch and taste, are sent through neurons to the sensory cortex to be processed

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12
Q

Brain

Pituitary Gland

A

A tiny organ that serves as the pituitary gland for the body, producing several hormones and activating other glands to produce hormones

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13
Q

Brain

Thalamus

A

One of the two masses of gray matter lying between the cerbral hemispheres

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14
Q

Brain

Hypothalamus

A

A region of brain below the thalamus that coordinates with the autonomic nervous system and the activity of the pituitary, controlling body temp., thirst, hunger, sleep, emotional activity, as well as other homeostatic systems

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15
Q

Brain

Hippocampus

A

Aids in long-term memory

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16
Q

Neurons

Axon

A

often called the nerve fiber; a portion of a neuron that carries nerve impulses away from the cell body. The signal travels down the long axon and passes the message to the next neuron down the line.

17
Q

Neurons

Axon terminal

A

Ending of axons; the location where axons make contact with other nerve or effector cells

18
Q

Neurons

Myelin sheath

A

the insulating coat of cell membrane from Schwann cells that is interrupted by nodes of Ranvier in the neuron

19
Q

Neurons

Schwann Cell

A

Cell that produces the myelin sheath

20
Q

Neurons

Nodes of Ranvier

A

gap in the myelin sheath of nerve cells found between neighboring Schwann cells

21
Q

Neurons

Synapse

A

Place at which a nerous impulse passes form one neuron to another

22
Q

Neurons

Neurotransmitters

A

A substance (as norepinephrine or acetylcholine) that transmits nerve impulses across a synapse

23
Q

Endocrine system

Pituitary Gland

A

Releases several hormones that relate to growth, metabolism, reproduction, stress or trauma response, lactation, water balance, and childbirth.

24
Q

Endocrine System

Pineal Gland

A

Regulates sleep/wake cycles and secretes the hormone melatonin

25
Q

Endocrine System

Thyroid Gland

A

Plays a major role in growth and development of the human body and metabolism

26
Q

Endocrine System

Thymus

A

Makes white blood cells up until puberty, when all the T-cells you need have been made. Also releases hormones that control the pituitary gland

27
Q

Endocrine System

Adrenal Glands

A

Release hormones that regulate the body’s response to stress as well as metabolism, blood pressure, and the immune system

28
Q

Endocrine System

Pancreas

A

The pancreas creates enzymes to break down sugars, fats, and starches as well as hormones that regulate blood sugar, appetite, stomach acid, and when to empty your stomach

29
Q

Endocrine System

Ovaries

A

Produce the hormones estrogen and progesterone which regulate reproduction and mentstruation

30
Q

Endocrine System

Testes

A

Produces sperm as well as testosterone which helps with growth of the male body including developing muscles, developing voices, and growing body hair

31
Q

Endocrine System

Insulin

A

A protein hormone secreted by the pancreas; essential for metabolism of carbohydrates and the regulation of glucose levels in the blood

32
Q

Endocrine System

Glucagon

A

A hormone secreted by pancreatic endocrine cells that raises blood glucose levels; an antagonist hormone to insulin

33
Q

Endocrine System

Testosterone

A

Builds bone and muscle mass, body hair growth, and development of reproductive tissue; made in testes and ovaries

34
Q

Endocrine System

Estrogen

A

Plays a role in puberty, menstruation, pregnancy, menopause, sperm development, and bone health; made in ovaries, testes, adrenal glands, and fat cells

35
Q

Endocrine System

Progesterone

A

Active in menstruation, pregnancy, and testosterone production; made in ovaries, testes, and adrenal glands