Ch.2 Body As a Whole Flashcards
mitochondria
Principal source of energy for the cell.
Small, sausage shaped.
endoplasmic
reticulum
network of canals within the cell
Manufactures proteins.
Ribosomes
Long chains of
proteins
cell membrane
surrounds and protects
controls flow in/out of cell
Nucleus
controls operations of cell
chromosone
rod-like structure in nucleus; contains genes
cytoplasm
- carries out the work of the cell
- all material outside the nucleus and
inside cell membrane
karotype
photograph of individual’s chromosones arr. by size, shape, number
metabolism
sum of chemical processes in cell
catabolism
process of breaking down into smaller material
anabolism
process of building complex materials from smaller; amino acids into complex proteins
androgens
male hormones
4 types of tissue
- Epithelial
- Muscle Tissue
- Connective Tissue
- Nerve Tissue
Epithelial Tissue
lining of internal organs; outer surface of skin.
Muscle Tissue
Voluntary: flex/extend, found in extremeties
Involuntary: muscles in the heart; heartbeat
Connective Tissue
connects one thing to another.
fat, cartilage, bone, blood
Nerve Tissue
conducts impluses all over the body.
Differentiation
change in cells as they mature and specialize
Viscera
organs
9 Body Systems:
- Digestive 2. Urinary/Excretory
- Respiratory 4. Reproductive
- Endocrine 6.Nervous
- Circulatory 8. Musculoskeletal
- Skin, Sense Organs
Incision
cut into
the body
Excision
cutting out;
removal; resection
5 types of
Body Cavities
a. Crani/al - brain
b. Thorac/ic - chest
c. Abdomin/al - below diaphragm
d. Pelv/ic - starts @ hips
e. Spin/al - nerves/spinal cord
Anterior (Ventral)
Front
