Human Body BrainPop Quarter 3
Terms in this set (54)
What can you infer about t the prefix "thermo-" from the word "thermoregulation?
It refers to temperature.
Place the following in sequence:
A) Your body begins overheating B) Nerves and hormones communicate with the hypothalamus in the brain C) You begin sweating
A, B, C
What is the major difference between positive and negative feedback?
Positive feedback causes bodily processes to continue; negative feed back causes bodily processes to start or stop.
What might happen if you didn't run a fever when you got sick?
Your body wouldn't fight off the infection as efficiently
What might happen if your respiratory system malfunctioned?
The oxygen level in your blood would be out of balance.
Place the following events in sequence:
A) Air pressure inside the lungs drops B) Diaphragm contracts C) Air from outside the body rushes into your lungs
B, A, C
Where does the transfer of oxygen into the bloodstream take place?
in the alveoli
What do the capillaries have in common with veins and arteries?
They are types of blood vessels.
The cells of the alveoli and capillaries are permeable. What does that mean?
substances can pass through them
What happens when your diaphragm relaxes and moves upward?
your lungs deflate and you breathe out
What type of tissue in the heart pumps blood throughout the body?
What can you infer about carbon dioxide from the fact that your body need to breathe it out?
It can be harmful if it builds up in the bloodstream.
How does your body acquire the oxygen the cells in your body need to function?
What would happen if your circulatory system did not deliver oxygen to your body's cells?
You body's cells would shut down.
In what way is blood the body's messenger?
Blood delivers nutrients and oxygen to the body's cells.
What can you infer about plasma from the fact it's almost completely clear?
It is almost completely made of water.
How does a red blood cell attach oxygen to itself?
What is the main function of platelets?
Help clot blood
What is the main difference between the heart's ventricles and atria?
Atria bring blood into the heart; ventricles pump it out
What role does your brain play in the circulation of blood through your body?
The brain signals the heart to beat(pump).
What can you infer from the fact that your heart beats faster when you exercise?
When you exercise, your muscles need more oxygen.
Chewing is an example of ___ digestion.
What is food called after it's been digested by the stomach?
What is the main function of villi?
They absorb nutrients into the bloodstream.
What might happen if your large intestine didn't absorb water from chyme?
You'd become dehydrated.
The human body's systems are interrelated. In other words:
they depend on each other
Which body system breaks down food so that nutrients and water can be used by the body?
How does the urinary system get rid of chemical waste?
by flushing them out of the body
Which body system delivers oxygen and nutrients to the body parts that need them?
What is the main function of the urinary system?
remove poisons from the body
What word best describes the function of the nephrons? tube, passageway, filter, reservoir
Place the following events in sequence: A. Food enters your large intestines; B. Food enters your small intestine; C. Food enters your esophagus
C, B, A
Hydrochloric acid is a caustic chemical that can burn your skin-yet it is in your stomach. How can this be?
Your stomach lining protects you against burns
Which of the following is a synonym for the circulatory system?
What part of the circulatory system is responsible both for disposing of cellular waste and providing cellular fuel?
How do white blood cells compare to red blood cells?
White blood cells are bigger than red blood cells
How are male reproductive organs different from female reproductive organs?
male organs are located outside the body; female organs are located inside the body
Place the following events in sequence: A. urine passes through the ureters B. urea enters the kidneys C. urine enters the urethra
B, A, C
Before the kidneys filter it out, where does urea exist?
in your bloodstream
What is the function of the urethra?
it delivers urine from the bladder to the outside world
What do lung cancer and emphysema have in common?
they are both caused by smoking
Which gland is located closest to the human brain?
Your body's metabolism is controlled by the thyroid gland. What's the best synonym for metabolism?
The rate at which your cells use energy
When might your body release adrenaline?
when you're threatened by a schoolyard bully
Without your thymus, your body would have trouble
Women's egg cells can be found inside her?
Place the following events in order: A. cells send negative feedback to glands B. hormones are released into the bloodstream C. hormones are absorbed by target cells
A, B, C
What is the function of the reproductive system?
to make new humans
What might happen if the testes were located inside the body?
sperm would over heat and die
What happens immediately after sperm leave the testes?
they mix with seminal fluid
What is the function of the uterus?
it's where the fetuses grow
How frequently do ovaries release egg cells?
once a month
Where do egg cells travel immediately after they're released from the ovaries?
into the fallopian tubes
How many egg cells does a woman produce each day?
none, women are born with a lifetime supply
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