The organization of human beings
What are the smallest units that make up the human body?
cells
A ________ is a group of organs and tissues that work together to carry out a specific function.
system
True or false:
Systems are made up of organs
True
True or False:
Our digestive system detects the world around us.
False
Which machines protect babies who are born too early?
incubators
Many cells together form _________.
tissues
Name the three basic life processes
True or false:
Our reproductive system takes in nutrients that we need to grow
False
True or False:
Our skeletal system and our muscular system help us interact.
True
What type of machine uses radiation to create an image of the bones inside the body?
X-ray machine
Name three organs in our bodies
heart, brain, stomach, liver, kidneys, lungs, bladder, intestines, etc.
What do organs and tissues form?
systems
The _________ system transports the nutrients and oxygen in our blood around our body.
circulatory
Name three sense organs
eyes
ears
nose
tongue
skin
Vaccines
Name the three main parts of a cell
membrane, cytoplasm, nucleus
Cells have ________, which are specialized structures that perform a specific function.
organelles
When does the reproductive system develop?
During puberty
What system produces substances that help us interact with the world?
endocrine system
What machines are used to create images of the internal organs and systems?
scanners (MRI / PET)
Name the three types of tissue that help us move.
Bone tissue
Muscle tissue
Nervous tissue
What shape do nerve cells have and why?
long and has branches
to transmit nerve impulses from one part of the body to another
Name the systems involved in nutrition
Digestive system
Respiratory system
Circulatory system
Excretory system
Name the systems involved in interaction
nervous system
muscular system and skeletal system (locomotor system)
endocrine system
Describe how a dialysis machine works. When is it used?
The blood is extracted through a tube, it passes through the machine which filters the waste products. The cleaned blood is pumped back into the body through another tube.
It is used when a patient's kidneys are not working.