Science Flashcards
What causes osteoporosis
A disease caused brittle bones. A decrease in the osteoblast activity and normal osteoclast activity
Autonomic sympathetic system is responsible for what?
Regulating involuntary body functions such as heart beat, blood flow, breathing and digestion. Fight or flight.
What is the function of neurons?
To process and transmit information, creating electrical impulse
What is the function of myelin sheath?
To protect the neuron, provide insulation, and increase the speed of impulse transmission
What is blood cells made?
Bone marrow
What produce antibodies
Plasma cells ( different from white blood cells called B lymphocytes also called B cell )
A person who is sick may have?
Increase in whites blood cells
What attacks Antigen?
Antibodies
What is an example of a disease where the immune system attacks itself?
Multiple Sclerosis ( Auto immune disease )
What are the pores in the nuclear envelopes used for?
Regulate import and export of material between nucleus and cytoplasm
What organelles transport energy that comes from the food?
Mitochondria
What glands produce FSH?
Anterior pituitary
What glands produce TSH?
Posterior pituitary gland
What are the 2 major part of the nervous system ?
Central nervous system and peripheral nervous system
What produce bile?
Liver
Where is urine stored?
Bladder
What is active immunity?
Vaccinations
What is the job of the circulatory systems ?
To transport endocrine hormones
Where does fertilizations begins ?
End of the Fallopian tube
Where does meiosis occur ?
Ovaries and testes
Which of the following endocrine system gland located behind the thyroid gland? What does the parathyroid gland help the body control?
Calcium and phosphorous levels
What does the body make when In the sunlight?
Vitamin D
What method lungs use to diffuse O2 and CO2 ?
Simple diffusion against concentration gradients
What protects the skin from UV?
Melanin
What hormones decrease glucose level?
Insulin beta cell
What happens when alveoli is damaged?
Can’t provide gas exchanged, may cause emphysema
What kind of bonds in nucleotides is in double strand DNA ?
Hydrogen
What kind of tissue in the spinal cord?
Nervous
S and O are in the same periodic group and share chemical properties, but H2S is a gas at room temperature, which of the main reason for this?
H2O has a strong intermolecular bond that H2S
What bond are involved in S2O versus H2O ?
Covalent bond: H2O has a stronger intermolecular bond.
What layer of the skin is sebaceous gland found ?
Dermis
What is called when gametes produce zygotes
Fertilization
Biggest strongest bone
Femur
Main function of circulatory system
Transport nutrient and oxygen through the body
Liquid to gas
Evaporation
Function of Neuron
Transmitted electrical signal to the body ( action potential )
What are sweat glands ?
Exocrine glands, sudoriferousn glands
Which is the women outer organ?
Vagina
Which one connect to vagina?
Cervix
Which gland from the men’s body secrets a fluid into the urethra to neutralize to acidity in the urethra ?
Bulbourethral
I’m which layer are follicles hairs?
Dermis
Which one connected large intestine to the appendix
Cecum
If damages circulatory respiratory ( breathing ) rate what brain part is responsible to that ?
Medulla oblangata
What produces gametes?
Meiosis
How does oxygen and carbon dioxide exchange?
Diffusion down concentration gradient
What cells produce testosterones?
Leydig cells is presence of the LH ( interstitials cell )
In addition to oxygen and carbon dioxide = , the circulatory system is the primary delivery system for which of the following?
Endocrine system
Gains and loses of which the following general create an electrolytes imbalance ?
Sodium
Which of the following occurs in the cardiac cycle if the impulse triggered at the senatorial node never close?
The atria will never close
Which of the following reactions occurs during thermoregulation to increase body temperature?
The body begins shivering
A blood sample taken from a patient who has infection can be expected to show which of the following?
Elevated white blood cell count
Which of the following organs remove nitrogenous waste from the body?
Kidney
An individual cell is able to make copies of its genetic information but is unable to produce encoded proteins ?
This indicates a possible problem in the Ribosomes
Which of the following digestive systems structure releases amylase?
Salivary glands
Which of the following functions does the myelin sheath perform a nerve cell?
Insulation
Which of the following organs is responsible for the secretion of the hormone insulin?
Pancreas
An increase in which of the following would lead to decrease in the amount of oxygen in the blood?
Exercise
Which of the following body system break down proteins into amino acids ?
Digestive
Which of the following layers of skin contains the sebaceous glands?
Dermis
Osteoporosis result from which of the following?
A decline of osteoblast activity while osteoclast activity continues at expected levels
Which of the following occurs in the cardiac cycle if the impulse triggered at the sinoatrial node never close?
The atria will never closed
Which of the following structure is found in cells?
Plasma membrane
Which of the following types of cells stimulates other immune cells to attacks and destroy foreign agents?
Helper T-cells
The process known as gastrulation results in the formation of which of the following embryonic structures
Germinal layers
Which of the following structure carriers’ blood away from the heart?
Arteries
Which of the following demonstrate condensation?
Few drops from on a leaf
Which of the following unit is used to indicates mass?
Mg
Which of the following demonstrate a chemical reaction of water?
Water produces gas with sodium metal
Where is the info stored in DNA?
Nitrogenous bases
Acid chyme produced by stomach is neutralized in the intestine by which of the following ?
Pancreatic secretions
On which of the following locations does the development of blood cell take place?
Bone marrow
The component of an atom that possess relatively little mass, thus being negligible in calculating the atom?
Electron
A and O are in the same periodic group and share chemical properties, but H2S is a gas at room temperature, following is the main reason for this?
H2O has stronger intramolecular bonds than H2S
Which of the following reasons explains why it is important for a new scientific findings to be punished?
Other scientist can validate or disprove the findings
Which of the following excess solutes from the body?
Kidney
The processes by which gametes combine to form a zygote is called which of the following ?
Fertilization
The exchange of nutrients between tissues and blood primary occurs in which of the following locations
Capillaries
Which of the following cellular process produces gametes
Meiosis
Which portion of the autonomic nervous system is responsible for an increased heart rate?
Sympathetic Nervous system
Permanent damage to which if the following types of tissues in the spinal cord will cause paralysis
Nervous tissue
Which of the following is appropriate prefix to measure the amount of space taken up?
Milli
In addition to oxygen and carbon dioxide, the circulatory system is the primary delivery system for?
Endocrine hormones
Iodine directly helps which of the following glands ?
Thyroid glands