Science Final Flashcards
Nothing can happen without _____ ______.
chemical reactions
Aging cells ________ off quicker than can be replaced.
Die
Mitosis cells reproduce after age _____-, cell turnover begins to slow
25
Two types of tissues in the skin
- Epithelial
- Connective
What two systems work together to eliminate toxins from the body?
Circulatory & Lymphatic
What percentage of total blood volume is in the Dermis
8-10%
Hormones are
chemical regulatory within the body
What regulates testosterone in the body?
Estrogen and Progesterone
Essential life process must include:
Metabolism, Movement, and Reproduction
What is the most abundant substance in the body (60-70%)
Water
What is atmospheric pressure?
force of air on body
The force of fluids on the body is?
Hydrostatic Pressure
an unstable oxygen molecule is also known as:
free radicals
Enzymes that speed up chemical reactions
SOD - superoxide dismuase
Most essential compound in the human body and universe is?
water- essential to life
2nd Most abundant substance in the jimmy body
protein - 10 of which are amino acids
How often should peptides be used in order to be effective
Daily
What are the protein functions
Structural
Contractile
Regulatory
Hormones
Transport
Immunity
Catalytic
What is a cell membrane created by
bi-layer phospholipids
Protein coating on outside of cell membrane unique to each individual
Protein fingerprint
What part of the cell produces energy
Mitochondria
What does mitochondria do
produces ATP
contains won set of DNS
self replicated
produces oxygen and energy for cells
Cell division, process of cell reproduction is:
mitosis
4 phases of mitosis
prophase
metaphase
anaphase
telophase
DNA damage can lead to aging both ________- and _________
intrinsic and extrinsic
