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Zoo test 4

Integument external covering of an animal that protects them from chemical and physical harm.
epidermis outer layer of tissue resting on the basement layer
ultraviolet rays produce? Vitamin D
Hypodermis tissue composition loose connective tissue -adipose tissue -nerve endings -separates from deeper skin
perspiration secretion of sweat from glands
functions of vertebrate skin -body temp regulation -excretion of waste -vitamin d formation -stimulation
pheromones a chemical excreted by one organism that causes a specific behavior in another in the same species
Tendons tough cords attach skeletal muscles to the skeleton
actin and myosin muscle proteins inside microfibers
multicellular slime glands found in hag fish produces mucus
evolution of feathers scales elongated and grew lighter to provide better lift
Capillaries very small blood vessels with blood leading away from the heart
Plasma the liquid part of blood that blood cells are suspended in
composition of blood percentages -55% plasma -45% blood cells
Erythrocytes Basically a red blood cell. Can carry oxygen. Contains hemoglobin.
Hemoglobin a protein that allows the cell to carry oxygen
Lumen the space fully inclosed inside of a tubular structure like an artery
Arteries large blood vessels that carry blood away from the heart
Mammalian heart composition four chambers
Pulmocutaneous circulatory routes in amphibians moves blood from the skin to the lungs
Lung functional units 1.respiratory bronchiole 2.alveolar ducts 3.alveolar sacs
cutaneous respiration breathing through the skin
Define chemical/mechanical food breakdown breakdown of food into smaller components that are more easily absorbed into a blood stream
Why are vampire bats unusual? They feed on plasma of their victims
Coprophragic feeding on feces
Calorie vs calorie dietary Calorie=1000 calories in physics
cellulose the most common organic compound on earth. Mainly found in plant cell walls.
peristalsis series of wave-like muscle contractions that moves food to different processing stations in the digestive tract
segmentation oscillating back and forth movement in the same place
longest small intestine 7 to 8 meters
cardiac sphincter top of the stomach,prevents contents from spilling into the esophagus
cells that secrete HCl Parietal cells
Cells that secrete pepsin Chief cells
Stomach contents Pepsin,Mucous,HCl,and food bolus
Villi Finger-like projections from the central fold
major function of large intestine reabsorbtion of water and minerals and feces formation and storage
Estrus going into heat
function of epididymis storage for sperm
Female Gonads ovaries
Mammary glands modified sweat glands that produce and secrete milk
Oxytocin from the pituitary, causes contractions and milk release after birth
Prolactin pituitary,promoted milk secretion by mammary glands after birth
hCG pregnancy test hormone
developement of unfertilized egg starts out in a follicle as an oocyte, gets pushed along into the fallopian tubes which leads to the uterus where the egg waits for either fertilization or expulsion