Exam8 Flashcards
What are tissues ?
Group of cells working together
What is the smallest structural unit that the body is made up of ?
Cells
What are organs ?
Collection of tissues
What are body system ?
Collection of organs
What is the function of the cardiovascular system ?
Transport oxygen , waste & nutrients
What is function of the gastrointestinal system ?
Digest , breakdown , absorb , eliminate waste
List 3 types of cell in you blood and their function ?
Red blood cell - carry oxygen , white blood cell - fight of infection.
Plateles - clotting
What is the alimentary tube ?
Tube from the mouth to the anus
What are the “ accessory organs “ belongings to the GI system ?
Liver
Pancreas
Gallbladder
What is the function of the skeletal system
- structure
- support
- produce blood cell
- body heat
What is the function of the muscular system ?
Motion & blood warm
Cardiac , smooth , skeletal muscle
What is the difference between an endocrine gland and exocrine gland ?
Endocrine - secrete things into your body
Exocrine - secrete things outside of your body
What is the negative feedback system ?
An important way the body maintain hemoestasis (like a thermostat)
Eg: it tells the hormone when to stop (insulin )
What is the function of the respiratory system ?
Gas exchange
Eliminates CO2
Takes in O2
Where does gas exchange take place in the lungs ? What gases are exchanged ?
Aveoli
O2 & CO2
What is the main muscle of breathing ?
Diaphragm
What is the function of the nervous system ?
Collects sensory inputs
Interprets response
What are the sub division of the nervous system ?
Automatic- involuntary vs
Somatic-voluntarily
&
Motor vs sensory
What is the function of the excretory (urinary ) system ?
Remove waste from the Body
Acid base balance
Electrolyte balance
What is the functional unit of the kidney called ?
Nephrons - tiny structures that remove waste
What organs are included in the reproductive system ?
Ovaries Filopian tube Uterus Testes Penis Prostate
What is the function of the integumentary system ?
Regulates temperature
Skin covers body
What are the cells call that produce pigment in your skin ?
Melanin
What are the 3 main subdivisions of the skin ?
Epidermis
Dermis
Hyperdermis or subcutaneous layer
What appendages are in the skin ?
Hair follicles Sweat glands Nerves Arrector pilli muscle Capillaries Subcutaneous gland Blood vessels
What is the function of the immune system ?
Fight of disease
Damaged cells
What is the controll center of the cell ?
Nucleous
What is homeostatis ?
A state of equilibrium or balance
What does - Plasia means ?
Growth or formation
List some organelles of the cell an their functions ?
Ribosomes - protein factors
Cytoplasm -gel like substance
Mithochondria - provides energy
Nucleous - control center of the cell
Vacuoles - storage container
Golgi body -package protein , flattened sacs
Lysosomes -destroy bacteria by digesting
rough Endoplasmic reticulum -transport waste
cell membrane - protects the cell from its surroundings
