A &p Flashcards
How many bones does are in an adult human?
How many in a child’s?
Adult 206
Child 302
What is the function of red blood cells ?
Carry oxygen and remove carbon dioxide
Function of the integumentary system
Protects body from injury and prevents dehydration
What is the nervous system composed of
Brain
Spinal cord
Nerves
How many muscles are in the human body
Over 700
What is the axial composed of and how many bones are in it
Head, neck and trunk
80 bones
Appendicular is composed of
And how bones
Both arms and legs
126 bones
Function of the circulatory system
Distributes blood nutrients and hormones
What is the circulatory system composed of
Heart
Arteries
Brain
Function of the lymphatic system
Filtration
Respiratory system is composed of
Nasal cavity Pharynx Larynx Trachea Lungs Bronchial Alveoli
Everything is based of what position
Anatomic position
Anterior
Towards the front
Posterior
Towards the back
Superior
Towards the head
Inferior
Towards the feet
Metabolism
The sum of all chemical reactions that occur w/ in the human body
Characteristics of living things
Responsiveness
Sense and react to stimuli
Homeostasis
Reproduce
Body’s level of organization
Chemical Molecules Cellular Tissue Organ Organ system Organism
4 types of tissue
Connective
Epithelial
Nervous
Muscle
The heart is composed of what kind of tissue(s)
All tissues
What color is blood?
Red
Molecules
One or more combined atoms
Ex.) sugar
Hormone definition
Chemical messengers that change a reaction
Ex.) protein, molecules, steroid
Ovaries produce what type of hormone
Ostetosin
Male reproductive system composed of
Prostate gland Penis Scrotum Testis Sperm
Sperm +fluid =
Semen
Female reproductive system
Mamary gland
Ovaries
Uterine tube
Vagina
Coronal plane
Divides posterior & anterior
Transverse-cross sectional
Superior & interior
Midsagittal
Left
And right
Sagittarius
Unequal left
Right
Oblique
Superior & inferior at an angle
What is on a cephalic
L & R orbital
Mental
L&R buckle
Frontal
Element is composed of
Atom
Neutron
Electron
Why are the rare earth elements at the bottom of the periodic table
Because if inserted correctly the table would be to large
Major elements for the human body
Oxygen Carbon Hydrogen Nitrogen Calcium Phosphorus
The last orbital is called the ____
Valence
Because it is most active
Ion definition
Atom that has lost of gained an electron
they can conduct electric currents
Covalent bonding
Sharing electrons
When an atom is unstable it is known as what kind of element
Radioactive
Pet scan
Chemical tracers
It looks for break down of metabolism
Isomers
Same element but arranged differently
Have same molecular formula
Chemical compounds
2 different atoms combined