The
Which set of organs helps the human body get rid of waste (urine)?
kidneys and bladder
What is the main function of the immune system?
to recognize and attack disease-causing organisms
Which two systems interact most to supply the body with nutrients?
The digestive system breaks down the food to make it available for absorption, and the circulatory system transports the nutrients to parts of the body.
Which 2 body systems work together to send oxygen throughout the body?
respiratory and circulatory
What is an example of the musculoskeletal system and the nervous system interacting to maintain homeostasis?
The brain sends a message to move a muscle.
An animal's skin protects it from extreme temperatures. When an animal senses it is too cold, it curls into a ball. During this process, the skin works in conjunction with which body system?
nervous system
True or false: humans are extremophiles
false!
Endocrine glands secrete hormones directly intohis blood. The blood carries the hormones throughout the body. Each hormone acts only upon the organ that recognizes it. During this process, the endocrine glands work in conjunction with which body system?
circulatory
Is the optimum temperature of a human enzyme the same as an extremophiles? Why or why not?
No it is not the same -- extremophiles are adapted to extreme conditions, therefore, their enzymes also have to operate under extreme temperatures different than a human enzyme would.
What is a major function of skeletal muscles?
movement of body extremities through locomotion
True or false: our temperature drops when we sleep
True!
What are the two parts to our nervous system?
Central and peripheral
Liquid waste is held in the bladder until the bladder sends sensory information to the brain to let the brain know that the bladder is full. The brain controls the release of this waste. Which 2 systems are working together to make this happen?
nervous and excretory
vasodilation & vasoconstriction
List a function of the skin
get rid of waste
temperature control
barrier to pathogens
protection
make vitamin D
What is an extremophile?
An organism that prefers/can withstand extreme environments
An animal's skin protects it from extreme temperatures. When an animal senses it is too cold, it curls into a ball. During this process, the skin works in conjunction with which body system?
The nervous system (the sensory receptors in the skin sense the cold and send the message to the brain.)
List 1 of 3 ways that the body maintains homeostasis during exercise
Sweating
Increased breathing
Increased heart rate
What is a nerve cell called?
A neuron
Garrett plays on a soccer team and kicked the soccer ball into the goal. What role did his muscles perform?
His muscles moved the bones in his legs.
What is the purpose of goosebumps? (be specfiic)
To trap/retain warm air near the skin to reserve heat and maintain homeostasis.
Gas exchange occurs between the tissue cells and the blood in the ________.
capillaries
I'm experiencing extreme heat and my body is working to maintain my body temperature (homeostasis). What will my blood vessels do?
Dilate/vasodilation
What is a reflex loop?
An involuntary response by the nervous system to a stimulus
What system produces red blood cells?
Skeletal system (bone marrow makes red blood cells)