Vocabulary
The smallest unit that makes up living organisms.
cells
The digestive system is important for breaking down food. What happens in the digestive system when food is broken down?
We get nutrients that can be absorbed.
Specialized cells come together to make...
How many types of muscle cells do you have? Name them.
3,
cardiac, smooth, and skeletal
Organs: kidneys, ureters, bladder
excretory system
Doing one job really well instead of all the jobs. Cells do this in multicellular organisms.
specialize or specialization
The circulatory system works by moving blood around the body. Why do we need our blood to circulate?
To transport, or move, oxygen and nutrients
Tissues come together to form organs. Name an organ that you need to breathe.
Lungs
Which muscle type is involuntary? What does it mean to be involuntary?
Smooth and cardiac muscles are involuntary. They work automatically on their own.
Organs: brain, spinal column, sensory organs, neurons
nervous system
How we get information about the outside world
through our senses
How does our blood get the power or force to move? / What moves our blood through our blood vessels?
Our heart
A group of organs that work together form _____________________. An example of an ____________ is __________.
(name the vocabulary term and an example)
organ system
integumentary
digestive
cardiac/circulatory
What type of receptors do taste and smell use? What does this type of receptor react to?
Chemoreceptors react to chemicals.
organs: lungs, bronchioles, diaphragm
respiratory system
Receptor
The skeletal system is made of bones. It works with another system to aid in movement. Which system does the skeletal system need and why?
The muscular system because the muscles attach to the bones and can contract and relax to move the bones, which allows us to move.
What would happen if you removed all of the cells from an organ system?
The organ system could not exist because organs are made from tissues, which are made from cells.
What receptors do hearing and touch use? What does this type of receptor react to?
Mechanoreceptors react to physical forces (vibration, touch, or pressure)
organs: blood vessels, heart, blood
circulatory system
Single celled organisms are called _________________.
unicellular
If I am out for a run and I trip and scrape my knee, which system would be most impacted?
Integumentary System - the skin would be broken
_________ is when two or more tissue types work together to carry out a specific function.
organ
What is special about stem cells?
They are not specialized and can become any cell type that the body needs when developing.
organs: skin, hair, nails
integumentary system