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anatomy - ANSWER✅✅the science of body structures and the relationships among
them
chemical level of structural organization - ANSWER✅✅atoms (smallest units of
matter) and molecules (two or more atoms joined together)
can be compared to letters
cellular level of structural organization - ANSWER✅✅molecules combine to form
cells (the basic structural and functional units of an organism that are composed of
chemicals
compared to words
,tissue level of structural organization - ANSWER✅✅groups of cells and the
materials surrounding them that work together to perform a particular function
can be compared to sentences
organ level of structural development - ANSWER✅✅Different tissues are joined
together to form organs (structures with specific functions and recognizable shapes)
compared to paragraphs
system level of structural organization - ANSWER✅✅consists of related organs with
a common function
can be compared to chapters
organism level of structural organization - ANSWER✅✅any living individual
can be compared to the book
integumentary system (components and Function) - ANSWER✅✅Skin and
associated structures, such as hair, fingernails and toenails, sweat glands, and oil
glands.
Protects body; helps regulate body temperature; eliminates some wastes; helps
make vitamin D; detects sensations such as touch, pain, warmth, and cold; stores fat
and provides insulation.
skeletal system (components and function) - ANSWER✅✅Bones and joints of the
body and their associated cartilages.
Supports and protects body; provides surface area for muscle attachments; Bone
aids body movements; houses cells that produce blood cells; stores minerals and
lipids (fats).
muscular system (components and function)` - ANSWER✅✅Specifically, skeletal
muscle tissue—muscle usually attached to bones (other muscle tissues include
smooth and cardiac).
Participates in body movements, such as walking; maintains posture; produces heat.
Nervous System (components and Function - ANSWER✅✅Brain, spinal cord, Brain
nerves, and special sense organs, such as eyes and ears.
Generates action potentials (nerve impulses) to regulate body activities; detects
changes in body's internal and external environments, cord interprets changes, and
responds by causing muscular contractions or glandular secretions.
,endocrine system (components and function) - ANSWER✅✅Hormone-producing
glands (pineal gland, hypothalamus, pituitary gland, thymus, thyroid gland,
parathyroid glands, adrenal glands, pancreas, ovaries, and testes) and hormone-
producing cells in several other organs.
Regulates body activities by releasing hormones (chemical messengers transported
in blood from endocrine gland or tissue to target organ).
cardiovascular system (components and function) - ANSWER✅✅blood, heart, and
blood vessels
Heart pumps blood through blood vessels; blood carries oxygen and nutrients to
cells and carbon dioxide and wastes away from cells and helps regulate acid-base
balance, temperature, and water content of body fluids; blood components help
defend against disease and repair damaged blood vessels.
lymphatic and immunity system (components and function) -
ANSWER✅✅Lymphatic fluid and vessels; spleen, thymus, lymph nodes, and tonsils;
cells that carry out immune responses (B cells, T cells, and others).
Returns proteins and fluid to blood; carries lipids from gastrointestinal tract to blood;
contains sites of maturation and proliferation of B cells and T cells that protect
against disease-causing microbes.
respiratory system (components and function) - ANSWER✅✅Lungs and air
passageways such as the pharynx (throat), larynx (voice box), trachea (windpipe),
and bronchial tubes leading into and out of lungs.
Transfers oxygen from inhaled air to blood and carbon dioxide from blood to exhaled
air; helps regulate acid-base balance of body fluids; air flowing out of lungs through
vocal cords produces sounds.
digestive system (components and function) - ANSWER✅✅Organs of
gastrointestinal tract, a long tube that includes the mouth, pharynx (throat),
esophagus (food tube), stomach, small and large intestines, and anus; also includes
accessory organs that assist in digestive processes, such as salivary glands, liver,
gallbladder, and pancreas
Achieves physical and chemical breakdown of food; absorbs nutrients; eliminates
solid wastes.
urinary system (components and functions) - ANSWER✅✅Kidneys, ureters, urinary
bladder, and urethra.
Produces, stores, and eliminates urine; eliminates wastes and regulates volume and
chemical composition of blood; helps maintain the acid-base balance of body fluids;
maintains body's mineral balance; helps regulate production of red blood cells.
, reproductive system (components and functions) - ANSWER✅✅Gonads (testes in
males and ovaries in females) and associated organs (uterine tubes or fallopian tubes,
uterus, vagina, and mammary glands in females and epididymis, ductus or vas
deferens, seminal vesicles, prostate, and penis in males).
Gonads produce gametes (sperm or oocytes) that unite to form a new organism;
gonads also release hormones that regulate reproduction and other body processes;
associated organs transport and store gametes; mammary glands produce milk.
metabolism - ANSWER✅✅the sum of all chemical processes that occur in the body
catabolism - ANSWER✅✅the breakdown of complex chemical substances into
simpler components.
anabolism - ANSWER✅✅the building up of complex chemical substances from
smaller, simpler components.
basic processes of human body - ANSWER✅✅metabolism (catabolism and
anabolism)
responsiveness
movement
growth
differentiation
reproduction
differentiation - ANSWER✅✅the development of a cell from an unspecialized to a
specialized state.
stem cells - ANSWER✅✅precursor cells, which can divide and give rise to cells that
undergo differentiation
two definitions of reproduction - ANSWER✅✅1. formation of new cells for tissue
growth, repair, or replacement
2. the production of a new individual (after hanky panky)
homeostasis - ANSWER✅✅the condition of equilibrium (balance) in the body's
internal environment due to the constant interaction of the body's many regulatory
processes.