Term
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Definition
1. covers all exposed body surfaces
2.Forms glands |
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Term
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Definition
1.Located in vertebrates
2.Binds organs together |
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Term
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Definition
Attached to bone
under voluntary control |
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Term
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Definition
only in walls of the heart
contractions pump blood (involuntary movement) |
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Term
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Definition
Intestine walls, stomach walls, blood vessels
moves substances (involuntary) |
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Term
| 2 parts of the Nervous System |
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Definition
2 parts. 1)Central nervous system
Recieve sensory info, and motor response
2)Peripheral nervous system
Process info |
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Term
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Definition
| Cell body, dendrites, axon |
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Term
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Definition
| largest portion, responsible for higher mental function & voluntary motor functions |
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Term
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Definition
| thin outer layer of cerebrum. responsible for highest thinking. |
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Term
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Definition
| Responsible for balance and equilibrium |
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Term
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Definition
| Relays information between cerebrum & spinal cord |
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Term
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Definition
| communication system, and regulates body processes |
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Term
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Definition
| Chemical messengers which travel through the bloodstream |
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Term
| What composes the integumentary system? |
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Definition
| Skin, hair, and nails, and exocrine glands |
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Term
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Definition
| epidermis, dermis, subcutaneous layer |
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Term
| What makes up the skeletal system? |
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Definition
| Bones, ligament, and cartilage |
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Term
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Definition
made up of connective tissue. 2 parts.
Compact bone & spongy bone |
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Term
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Definition
| Tissue that joins bone to bone |
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Term
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Definition
| paddding in joints. Forms trachea, and nose. |
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Term
| how many bones in the human body |
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Definition
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Term
| how many bones in the axial skeleton? |
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Definition
| 80. skull, vertebral column, rib cage |
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Term
| How many bones in the appendicular skeleton? |
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Definition
| 126. arms, legs, pelvic and pectoral girdles. |
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Term
| explain muscle contraction |
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Definition
| made of myofibrils. altername between thin filaments (actin) and thick filaments (myosin) divided in to sarcomeres (units of contraction) |
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Term
| what makes up the cardiovascular system |
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Definition
| heart, blood vessels, blood and bone marrow |
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Term
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Definition
| 55% plasma (water, proteins) & 45% blood (red blood cells, white blood cells, platelets) |
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Term
| What is the right atrium & ventricle responsible for? |
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Definition
| Pulmonary circulation between heart and lungs |
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Term
| what is the left atrium & ventricle responsible for? |
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Definition
| Systemic circulation between heart and rest of body. |
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Term
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Definition
| Carries blood away from heart |
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Term
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Definition
| Return blood to heart. (deoxygenated) |
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Term
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Definition
| connects arteries to veins. exchange of 02 glucose and waste occures |
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Term
| what components make up the digestive system? |
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Definition
| Digestive tract, salivary glands, pancreas, liver & gullbladder |
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Term
| what does the stomach do? |
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Definition
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Term
| what does the pancreas do? |
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Definition
| Secretes digestive enzymes into small intestine |
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Term
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Definition
| Filters out poisonous substances |
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Term
| what does the gallbladder do? |
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Definition
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Term
| What makes up the urinary system? |
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Definition
| Kidneys, ureters, bladder & urethra |
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Term
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Definition
| Filters blood, produces urine |
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Term
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Definition
| tubes from kidney to bladder |
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Term
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Definition
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Term
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Definition
| tube from bladder out of body |
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Term
| What does the digestive system have in it? |
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Definition
| digestive tract, salivary glands, pancreas, liver gallbladder |
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Term
| What does the respirtory system consist of? |
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Definition
| nose, naval cavity, trachea, lungs, bronchi, alveoli |
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Term
| what are bronchi & bronchioles? |
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Definition
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Term
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Definition
| tiny hollow sacs at end of each bronchiole |
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Term
| what does the lymphatic system include |
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Definition
| lymphatic vessels, lymphatic organs (bone marrow, thymus gland, lymph nodes, spleen |
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Term
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Definition
| the study of relationships between organisms and their environment |
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Term
| what are the 5 ecological levels? |
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Definition
| individual, population, community, ecosystem, biosphere |
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Term
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Definition
| All living organisms inhabiting a given area |
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Term
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Definition
| the living community and its non living environment |
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Term
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Definition
| All earths organisms & their abiotic (non living) environment |
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Term
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Definition
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Term
| How do populations decline? |
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Definition
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Term
| What are R strategist populations? |
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Definition
| (opportunistic populations) small in size, short life spans, have many offspring, live unstable lives. Ex. Insects and weeds |
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Term
| What are K strategist populations?` |
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Definition
(equilibrium populations) Large in size, long life span, live in stable predictable environments. heavy care investment of offspring.
Ex. elephants & humans |
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Term
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Definition
| Variety among living organisms |
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Term
| why is biodiversity declining? |
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Definition
| habitat loss,exploitation of the population, pollution..etc. |
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Term
| what is species diversity? |
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Definition
| diversity of species comprising a community. |
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Term
| what 2 factors affect species diveristy? |
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Definition
| Species richness, species evenness. |
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Term
| list 4 ways humans cause extinction |
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Definition
| 1. habitat reduction 2. introduction of invasive exotic species 3. pollution 4. overexploitation |
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Term
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Definition
| change in community over time at a given location |
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Term
| What is a pioneer community? |
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Definition
| first community to be established in succession. |
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Term
| what is a climax community? |
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Definition
| stable end community of succession |
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Term
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Definition
| furthest north, frozen most of year, few animals |
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Term
| what is the taiga (boreal forest) |
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Definition
| just south of tundra, long cold winters, dominated by conifer trees. animals ex. bears, deer, moose |
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Definition
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