Human Body Systems 1
A change in the environment that causes a response is known as a
stimulus
Which substance most directly provides humans with their main source of energy?
food
The part of the body where food enters, and digestion begins. (Part of the digestive system)
The mouth.
I provide structure and support, help with movement, protect your internal organs, store certain materials (like calcium) until the body needs them, and produce blood cells. What human body system am I?
The Skeletal System
Fats are important nutrients because they
Contain stored energy
This system is responsible for transportation throughout the body. It carries blood and nutrients to the cells.
The Circulatory/Cardiovascular System
The skeletal system has to work with which two other human body systems in order to produce movement?
The muscular system and the nervous system.
This system is full of bones, and joints.
The Skeletal System
I send electrical signals all over your body and tell it what to do. What human body system am I?
The Nervous System.
This nutrient in food is primarily responsible for providing the body with a quick source of energy?
carbohydrates
Describe the levels of increasing organization in the human body
cells →tissues →organs →organ systems
The endocrine system produces chemicals that affect organ functions. These chemicals are called
hormones
The nose, lungs, diaphragm and trachea are major organs of which body system?
The respiratory system.
I am responsible for bringing oxygen into the body and removing carbon dioxide. What human body system am I?
The Respiratory System
This nutrient in food is primarily responsible for growth and repair in the human body
proteins
When a human exercises, sweat often forms on the skin. Sweating is an example of the human body’s ability to
respond to the environment/homeostasis
When you touch a hot stove and pull your hand back, these three systems are working together to prevent harm to your hand.
The Nervous System, Muscular System, and Skeletal System.
The kidneys, bladder and ureters' are part of which system
excretory system
I breaks food down into molecules the body can absorb for energy and work to eliminate waste. What system am i?
The Digestive System.
The energy obtained from food is measured in units called?
Calories.
In humans, the amount of sugar in blood is controlled by the release of a hormone called insulin. This process is an example of
regulation/ maintain homeostasis
When a person breathes, the lungs absorb oxygen, which is used by cells to carry out the process of
cellular respiration
Pituitary gland, thyroid gland, pancreas and the testis part of which system?
endocrine system
I am responsible for the getting rid of liquid and gaseous wastes? What system am I?
excretory
What do all organisms need to survive?
energy