Main Functions
What is the main function of the digestive system
Turn food into nutrients for energy, growth and cell repair
To pump and circulate blood is the work of which organ?
The heart
This part of the digestive system secretes saliva which helps to chemically break down food.
Mouth
True or False - The human body can live with only one kidney.
True
Which type of muscle controls our heart?
Cardiac
Most insects have this type of skeleton.
Exoskeleton
The brain is protected by the __________.
Skull
What is the main function of the skeletal system
to form a solid framework of bones and connective tissues to support the body
The circulatory system works most closely with which other system?
Respiratory
The ____________ stores bile until it is needed in the digestive tract.
Gallbladder
The excretory system works directly with the _________ system to allow blood to be filtered in the kidneys.
Circulatory
What is the purpose of tendons?
Attach the muscle to bones and allow for movement
The skeletal system works with this system to allow body movement.
Muscular system
An involuntary response to something, which happens quickly
Reflex
What is the main function of the muscular system
The main function of the muscular system is to allow movement of the body.
How many valves are within the heart?
4
This organ produces a compound called bile that helps break down food.
Liver
Tubes that carry urine from kidneys to bladder
ureters
The muscular system works directly with the __________ system to allow the body to move.
Skeletal
Which part of the bone is less dense and porous?
Spongy bone
List the three parts of the nervous system
Brain, Spinal cord, Nerves
What is the main function of the circulatory system
This system delivers O2 and nutrients to all the cells in the body and CO2 and waste to the lungs through blood vessels.
The heart contains four chambers, what are their names?
Left Atrium, Right Atrium, Left Ventricle, and the Right Ventricle.
What is the function of the small intestine in the digestive system?
Absorption of minerals and nutrients
Tube through which urine is discharged from body
urethra
Which type of muscle controls our digestive system?
Smooth
Without these we would not be able to bend our arms or legs.
Joints
Specialized cells that carry messages through an electrochemical process are called
Neurons or nerve cells
What is the main function of the excretory system
the main function is to filter blood and remove liquid waste from the body.
What are the main parts of the circulatory system?
Heart, arteries, veins and capillaries
What is the function of the large intestine?
Remove water from the remaining undigested material
Organ that holds/stores urine
Bladder
what are the 4 main functions of the muscular system
The 4 main functions of the muscular system include allowing movement in the body, maintaining posture, stabilizing joints, and generating heat.
Ligaments attach ...
Bone to bone
What is included in the peripheral nervous system?
somatic and autonomic nervous systems
What is the main function of the nervous system
The nervous system sends and receives information about what is happening in and around the body.
Describe the difference between arteries and veins.
Arteries carry oxygen and nutrients to all the cells in the body. Veins pick up carbon dioxide and other waste from the body and return them to the heart to be pumped to the lungs and exchanged for oxygen and nutrients.
Describe the difference between chemical and physical (mechanical) digestion giving examples of organs that use these methods to break down food.
Chemical is the break down of food by chemicals secreted by the organs. Liver, mouth, stomach.
Physical is the break down of food by biting, grinding, etc. done by the mouth, stomach, teeth, tongue
What are 3 symptoms of dehydration.
Little or no urine
Urine that is darker than normal
Extreme thirst
Headaches
Confusion
Dizziness
List the 5 properties of muscles
Excitable or Irritable
Contractible
Extensible
Elasticity
Adaptability
What are the five functions of the skeletal system
Support and protect
Movement
production of blood cells
storage
Homeostasis
What are the four parts of the central nervous system
cerebellum, cerebrum, brain stem, spinal cord