Last 9wks Test Flashcards
What structure directs the activities of a cell?
Nucleus
Messages are carried back and forth between the brain and other parts of the body by…
Nervous tissue
Which organ system makes blood cells?
Skeletal system
Of the following is not a function of the skeleton?
Obtaining oxygen
Much of a newborn baby skeleton is made of…
Cartilage
What kind of motion is possible with the hinge joint?
Backward or forward
Which type of muscle is only found in the heart?
Cardiac muscle
Which of the following is in correct order from smallest to largest?
Cells, tissues, organs, organ systems
Skeletal muscles must work in pairs because…
Muscle cells can only contract
How does the skin protect the body from disease?
By keeping disease-causing microorganisms from entering the body
Which of the following is the smallest level of organization in the body?
Cells
The bones that form the backbone are called…
Vertebrae
Which of the following is not a function of the cardiovascular system?
Controlling many body processes by means of chemicals
Blood vessels that carry blood away from the heart are called…
Arteries
Which component of blood carries oxygen to the body cells?
Red blood cells
Which of these heart structures prevents blood from flowing backward?
Valve
When the ventricles contract, blood is pumped…
Out of the heart
What structure enables the small intestine to absorb large amounts of nutrients?
Villi
What substance in the mouth contains an enzyme that begins chemical digestion?
Salvia
What process involves muscle contractions that move food through the esophagus?
Peristalsis
In what part of the body does most chemical digestion take place?
Small intestine
What organ produces bile?
Liver
The role of the respiratory system is to bring what substance into the body?
Oxygen
What is the main organ in the respiratory system? The
Lungs
Is the main function of the excretory system?
Collect and remove waste from the body
What organ of the excretory system stores urine until the body is ready to be eliminate it?
Urinary bladder
Your normal’s conditions, which of the following substances found in urine?
Urea
What function do the kidneys perform?
Remove urea and excess water
The endocrine system asked me on the body through chemical products called…
Hormones
Change or signal in the environment they can make an organism react is called a…
Stimulus
What part of a neuron carries nerve impulses away from the cell body?
Axon
Motor neuron since an impulse to…
A muscle or gland
A cell that carries information through your nervous system is called a…
Neuron
The big column of nerve tissue that links the brain to most of the nerves in the peripheral nervous system is the…
Spinal cord
Automatic response of the body that occurs very rapidly in and out conscious control is called a…
Reflex
The chemical product of an endocrine gland is called a…
Hormone
A flowers female reproductive parts armrest called…
Pistis
Gassed pass in and out of a plant through the…
Leaves
What is not a root function in the plant?
Produce food
What part of a plan carries substances between the roots and the leaves?
Roots
The process by which an organisms internal environment is kept stable in spite of changes in the external environment is called…
Homeostasis
Egg
The female sex cell
Sperm
The male sex cell
Fertilization
The joining of a sperm and an egg
Reproduction
The process by which living things produce new individuals of the same type
Zygote
A fertilized egg
Chromosome
Carries information that controls inherited characteristics