Taxonomy & Organization
What kingdom do humans belong to?
Animilia
What cavity contains the heart and lungs?
Thoractic cavity
What is the atomic number of an atom equal to?
Number of protons
What is osmosis?
the movement of water across a membrane
Which tissue type lines the lungs and allows diffusion?
Simple squamous epithelium
Name the 7 levels of human classification from kingdom to species?
kingdom, phylum, subphylum, class, order, family, genus, species
What directional term means "toward the head"
superior
What type of bond involves sharing electrons?
covalent bond
What happens to a red blood cell in a hypertonic solution?
it shrinks
What connective tissue stores energy and insulates the body?
Adipose tissue
What is the correct order of levels of organization from smallest to largest?
atom, molecule, cell, tissue, organ, organ system, organelle
Which plane divides the body into left and right parts?
sagittal plane
A pH of 3 is how much more acidic than a pH of 5?
100× (10 for each pH unit)
Define negative feedback and give an example?
A process that reverses a change to maintain balance; e.g., insulin lowering blood sugar
What fibers give connective tissues strength?
Collagen fibers
What class and order do humans belong to?
Mammalia (class), Primates (order)
Name the 3 serous membranes and what they surround
Pleura (lungs), Pericardium (heart), Peritoneum (abdominal organs)
What type of lipid hormone is involved in inflammation?
Prostaglandins
What hormone lowers blood sugar levels?
insulin
Name the 3 types of muscle tissue and where each is found
Skeletal (bones), Cardiac (heart), Smooth (organs)
What phylum has a notochord?
Chordata
Match the following regions: frontal, brachial, popliteal, plantar, inguinal
forehead, upper arm, posterior knee, sole of foot, groin
What type of bond joins amino acids together in a protein?
peptide bond
What is the isotonic concentrations of NaCl and glucose used in medicine?
0.85% NaCl and 5% glucose (~290 mOsM)
What are the differences between epithelial and connective tissue?
ET: tightly packed, lines surfaces, avascular; CT: spread out, supports, vascular (mostly)