True or false: The kidneys have the largest vein run through it?
True
100
True or False The left lung is slightly larger than the right lung?
False the right lung is the one that is slightly larger.
100
What are the helping cells of the brain?
The glia
100
True or False, not all germs and bacteria are bad?
True.
200
About how big is your heart?
Nearly the size of your fist.
200
How are the excretory and digestive systems similar?
Both the excretory and digestive systems eliminate waste.
200
What are the small little net like structure called in the alveoli and blood cells?
Capillaries
200
What is the cell body of a neuron called?
The soma
200
What voluntary muscle is striated?
The skeletal muscle
300
About how many red blood cells are in a small drop of blood?
Around 5 million.
300
True or false: Is the bladder approximately the size of a human brain?
True
300
What happens in the Alveoli when you breath?
Gas exchange in the alveoli happens called diffusion.
300
What is a subsystem of the peripheral nervous system?
The enteric system
300
Can stress affect how well immune system works?
Yes.
400
How many times does the heartbeat in an average person's lifetime?
About 3 billion times.
400
What is the last stop of the urinary tract?
Urethra
400
True or False, hair grows 1 cm. per month?
True.
400
What is the major set of large set of nerves running down the spinal column or vertebrae.
The spinal cord
400
What muscles extend or straighten a body part?
The extensor muscle
500
Around how many blood cells die and are created each year?
About 8 million.
500
How many pints of saliva does a person produce every day and why is it useful in digestive?
We produce about 2 pint of saliva each day and saliva is useful because it helps break down food also it helps swallow the food since it turns the food into a slippery ball that helps swallow it.
500
About how many pounds of skin do you shed in a lifetime?
Around 40 pounds.
500
Which nervous system is made up of sensory neurons, clusters of neurons called ganglia and the nerves connecting them to each other and the central nervous system.
The peripheral nervous system
500
What is an Autoimmune disease?
A disease that occurs when your Immune system attacks itself because the white blood cells cannot tell what is bad and what is good in the body.