Branches, Planes, &
Cells
Cells
A section that divides the body on a lengthwise plane into anterior and posterior parts.
What is a frontal section?
most superficial layer of the skin
What is the epidermis?
autonomic and somatic nervous systems
What is the peripheral nervous systems?
volume of blood pumped out by each ventricle with each beat of the heart
What is stroke volume?
Air moving in and out of the lungs is called
What is pulmonary ventilation?
basic functional unit of the kidney that is responsible for forming urine
What is a nephron?
This cellular organelle is often referred to as the "powerhouse of the cell" because it captures most of the energy from foods in order to produce ATP.
What is the mitochondria ?
vertebrae in the neck region
What is the cervical region?
forms a myelin sheath around the axon
part of the heart receives blood from the pulmonary veins
The left atrium?
total amount of exchangeable air in the lungs
What is vital capacity?
tube connecting the renal pelvis of the kidney to the bladder
What is the ureter?
It is composed of a bilayer of lipids with embedded proteins.
What is the cell membrane/plasma membrane?
primary bone-forming cells
What are osteoblasts?
action potential is caused by an influx of these ions into the cell
What is sodium?
blood vessels with the highest blood pressure
What are the arteries?
Gas exchange within the lungs occurs at the
What is the alveoli?
During urine formation, the process of filtration occurs at the
A protein that speeds up a reaction
What is an enzyme?
A type of tissue with cells fitting closely together, and that has numerous functions throughout the body including protection, absorption and secretion
What is epithelial tissue?
part of the eye that contains the rods and cones
What is the retina?
destroy worn-out red blood cells and return some of the products to the liver
What is the spleen?
the entire system of tubes through which food passes
What is the alimentary canal?
having both sperm-producing and testosterone-producing functions
What are the testes?
Type of tissue conducts electrochemical impulses.
What is nervous tissue?
Type of tissue that has cells separated from each other by abundant extracellular matrix
What is connective tissue?
located on the surface of red blood cells
What are antigens?
plasma cells produce
What are antibodies?
responsible chemical digestion and absorption of nutrients
What is the small intestine?
process by which a mature egg is released from the ovary
What is ovulation?
The movement of molecules from an area of low concentration to high concentration
What is active transport?
mechanical force of contraction of a muscle fiber is generated by
What is the thin filaments sliding past the thick ones?
Blood type that is known as the universal donor
What is O - ?
main cellular target of the virus (HIV) that causes AIDS
What are helper T cells?
Waves of muscular contraction that propel the contents of the digestive tract from one point to another
What is peristalsis?
gestation period between nine weeks and birth, the developing human is referred to as a(n)
What is a fetus?