Chapter 2 Body Structure, Color, and Oncology Flashcards
(158 cards)
Cell
Basic unit of all living things
Tissue
Similar cells that perform a specific task
Organ
Two or more kinds of tissue that together to perform special body functions. ex - skin
System
A group of organs that work together to perform complex body functions. ex - cardiovascular system
Cell Membrane
Boundary of a cell
Cytoplasm
Makes up the body of a cell
Nucleus
Structure in center containing chromosomes
Chromosomes
46 in human cells except for mature sex cell, which has 23
Genes
Regions within the chromosome that determine hereditary characteristics
DNA (deoxyribonucleic acid)
Each gene is composed of DNA, a chemical that regulates the activities of the cell
Muscle Tissue
Produces movement
Nervous Tissue
Conducts impulses to and from the brain
Connective Tissue
Connects, supports, penetrates, and encases various body structures
Epithelial Tissue
Found in the skin and lining of the blood vessels
5 Cavities of the Body Structure
- Cranial
- Spinal
- Thoracic/chest
- Abdominal
- Pelvic
Cranial Cavity
Space inside the skull (cranium) containing the brain
Spinal Cavity
Space inside the spinal column containing the spinal cord
Thoracic/Chest Cavity
Space containing the heart, lungs, esophagus, trachea, bronchi
Abdominal Cavity
Space containing the stomach, intestines, kidneys, adrenal glands, liver, gallbladder, pancreas, spleen, ureters
Pelvic Cavity
Space containing the urinary bladder, certain reproductive organs, parts of the large intestine, rectum
aden/o
gland
cyt/o
cell
epitheli/o
epithelium
fibr/o
fiber