Circulatory
The circulatory system provides ________ to cells.
nutrients
The structures involved in the Respiratory System
What is the nose, mouth, trachea, diaphragm, lungs, alveoli, bronchi, bronchioles?
This organ breaks down food using acids and enzymes after it is swallowed.
Stomach
This organ in the urinary system filters waste and extra water from the blood to produce urine.
Kidneys
This layer of skin acts like a “cell factory,” constantly producing new skin cells.
Epidermis
The circulatory system removes ________.
carbon dioxide
The voluntary and involuntary muscle that allows you to breathe
What is the Diaphragm?
Saliva helps with which digestive function?
Breaks down food
This tube carries urine from the kidneys to the bladder.
This pigment in your skin helps protect you from harmful UV rays.
Melanin
___________ is being delivered to the body.
oxygen
The exchange between cellular waste and oxygen entering the body
What is the main function of the Respiratory System?
This organ absorbs most of the nutrients from food after it leaves the stomach.
Small intestine
This organ stores urine until it is ready to be released from the body
These glands produce sweat, which helps regulate body temperature.
Sweat glands
Maria is running during P.E. class. Her muscles need more oxygen to keep moving. Her heart starts beating faster to pump blood through her body. The blood carries oxygen from her lungs to her muscles.
Why does Maria's heart beat faster while she is running?
To send more oxygen to her muscles
The Circulatory System
Which body system works closely with the Respiratory System? How?
What are the five sequence of events that occurs in the digestive system starting with food intake?
Chewing, swallowing, digestion, absorption, and waste removal
Carlos forgot to use the restroom before a long car ride. As time passes, urine builds up in his bladder. Eventually, his brain signals that it’s time to go to the bathroom to release the stored waste.
What is the main function of the bladder in this situation?
To store urine until it leaves the body
This layer of skin contains blood vessels, nerves, and hair follicles
Dermis
Jamal is sitting in class when he suddenly stands up to answer a question. His body quickly adjusts, and his heart pumps blood to his brain so he doesn’t feel dizzy. The blood delivers oxygen and nutrients his brain needs to stay alert.
What is the main function of the blood in this situation?
To carry oxygen and nutrients to the brain
The model shows the respiratory system. The main organs of this system are the [lungs, intestines]. This system’s primary function is to exchange [gases, nutrients] between the internal and external environments.
How are lungs and gases involved within the Respiratory System?
Sophia eats a large sandwich for lunch. After chewing and swallowing, the food travels down her digestive tract. Her stomach mixes it with acids and enzymes to break it down. Then, nutrients are absorbed in the small intestine, while waste moves into the large intestine before leaving her body.
Which organs work together to break down food, absorb nutrients, and remove waste from the body?
Lily has been drinking a lot of water during soccer practice. After practice, her body has extra water and waste that it doesn’t need. Her kidneys filter her blood and remove the extra water and wastes, which are sent to her bladder as urine.
What is the main function of the kidneys in this situation?
To filter waste and extra water from the blood
This is the main function of the integumentary system that involves shielding the body from injury, pathogens, and dehydration.
Protection