The nervous system uses these to send signals collect feedback from the body.
Nerves
These connection points of the skeletal system allows for movement of the bones.
Joints
The substance that this system is responsible for circulating throughout the body.
Oxygen
Digestion of food begins here.
Mouth
Urine
The endocrine system uses these to send signals and collect feedback from the body.
Hormones
A joint action where the angle of the joint is increased.
Extension
This is the major artery that leaves the left ventricle of the heart to pump blood to throughout the body.
Aorta
These chemicals break down food in the mouth and stomach.
Enzymes
The lungs function within the excretory system by expelling water vapor and this gas.
Carbon Dioxide (CO2)
The brain and spinal cord make up this portion of the nervous system.
The Central Nervous System (CNS)
This is the category of muscle that is responsible for movement of the skeletal system.
Skeletal Muscle
The tiny sacs within the lungs where gas exchange occurs.
Alveoli
Both chewing and churning of the stomach walls is termed what type of digestion?
Mechanical
This is the body's largest organ, and is a major organ within the excretory system.
Your skin.
This hormone helps reduce blood sugar levels in your body.
Insulin
Muscles recruit more of these in order to help move heavier loads.
Motor units
These are the blood vessels in which gas exchange takes place.
Capillaries
These finger-like protrusions from the small intestinal wall increase surface area for higher absorption.
Vili
This is the structure within the kidney is what filters your blood.
Nephron
The main difference in the communication pathways of the nerves and hormones is:
Speed of the response
These elements within the muscle enable the body to sense its position and movement in space, contributing to balance and coordination.
Proprioceptors
The act of blood vessels increasing in diameter to allow increased blood flow is called:
Vasodilation
Delaying going to the bathroom, causing additional water to be removed from the stool, can lead to:
Constipation
The kidneys filter __________ liters of blood each day.
180