Digestive, urinary, and nervous system review. Flashcards
What are the two kinds of digestion?
Chemical and mechanical
Which of the following organs is not part of the digestive track? A. Stomach B. Pharynx C. Large intestine D. Kidneys
Kidneys
What kind of digestion takes place when you chew your food?
Mechanical
How does food get from your mouth to your stomach?
Through the esophagus.
When food moves out of the stomach it is been mixed into a soupy mixture called_______
Chyme
Why do we call the small intestine small and the large intestine large when the small intestine is longer than the large intestine?
The large intestine is wider than the small intestine.
What is Digestion and why does your body need it?
Digestion is how your body processes food and moves it through the body in order to absorb the correct nutrients. We need it so that our body can get the correct nutrients it needs and then remove the extra.
What are the five organs in the digestive tract?
The esophagus, stomach, small intestine and, large intestine, and mouth.
Why is it easier to eat a grape then a saltine cracker?
A grape already has water in it where as a saltine cracker is dry.
Why is saliva important
Saliva helps with the chemical breakdown of food.
Name two organs that help your digestive tract
The pancreas and liver.
How does soap act like the digestive system?
So break some the germs like the digestive system breaks down food.
List two ways that the urinary system removes from the Blood.
Carbon dioxide and ammonia
What are the four parts of the urinary system?
Kidneys, bladder, ureters, and urethra
What is excretion?
Removing waste from the body.
Why does your body need to excrete is much water as it brings in?
So that the waist does not build up inside your body.
What is the purpose of the kidneys?
To clean the blood in your body.
Why do people sweat?
To cool the body.
What is the job of the nephrons?
Remove waste from the blood
What is a neuron?
A nerve cell that is specialized to receive and conduct electrical impulses.
The central nervous system consists of your_____ and______
Brain and spinal cord
The peripheral nervous system connects all parts of the body to what?
The central nervous system
What are sensory neurons?
Sensory neurons gather information about what is happening in and around your body.
What are motor neurons?
Motor neurons send impulses from the brain and the spinal cord to other systems.
What system controls involuntary actions?
Autonomic nervous system.
What system controls voluntary actions?
Somatic nervous system
What are the three parts of the brain?
Medulla , cerebrum, cerebellum.
What does the cerebrum control?
Voluntary movement and five senses.
What does the cerebellum control?
Controls balance, posture, and muscle movement.
What is the medulla control?
Involuntary processes.
What are your five senses?
Smell, taste, touch, hearing, and sight.
Which of the following is not sensed by skin receptors? A. Vibration B. Pressure C. Pain D. Light
Light
And involuntary an almost immediate response to a stimulus is called what?
Reflex
Which of the following enables you to smell? A. Cochlea cells B. Olfactory cells C. Optic nerves D. Cones
Olfactory cells
Which of the following enables you to hear? A. Cochlea cells B. Olfactory cells C. Optic nerves D. Cones
Cochlea cells
Stores and removes waste from the body
Large intestine
This moves food from the mouth to the stomach.
Esophagus
The place where digestion begins.
Mouth
The place where chyme is made.
Stomach
The place where most digestion takes place and nutrients are absorbed.
Small intestine
When your body breaks down food into nutrients what kind of digestion takes place?
Chemical
Kidneys
clean the blood in your body and are about 10 cm long and 5 cm wide.
Ureters
Two tubes connected to your kidneys that may be 10 to 12 inches long. Remove urine from the kidney to the blatter.
Blatter
a muscular sac that can stretch and return to its original size. It holds the urine until it’s ready to be released.
Urethra
a tube that leads from the bladder out of the body.
What does the urinary tract do?
Responsible for making sure that waste do not build up inside your body.
What are the two control systems of the body?
The nervous system and the endocrine system
What does the endocrine system do?
The endocrine system uses chemicals released in Blood to tell the other systems what to do.
What are target tissues?
Target tissues or when the chemicals a ride at the right places.
Where are the adrenal gland located?
On top of your kidneys.
What is the main job of the nervous system?
To make sure all of the other systems work together into control the homeostasis of the body.
When a person of unconscious what body system is responsible for that condition?
The nervous system.
What are your five senses?
Sight hearing taste touch and smell
What part of the nervous system is the brain and spinal cord?
Central nervous system.
How does the nervous system react to an environment?
It provides immediate reactions to the environment.
Dendrites
Fibers that receive messages from other neurons
Axons
Fibers that send messages to other neurons.
