circulatory
where is your heart located?
your heart is located a little bit to the left of your chest
whats the most important job of the digestive system?
the digestive systems most important job is to break down food into smaller pieces
CNS stand for central nervous system and PNS stands for peripheral nervous system.
what does sperm look like?
sperm looks like a tadpoles with a long tail
what do people breathe through?
people breathe through the respiratory system
whats the most important part of the circulatory system?
your heart is the most important part of the circulatory system
where does the enzymes come from?
the enzymes come from saliva
what do nerves do?
nerves carry messages to and from all parts of the body
whats the difference between asexual and sexual?
asexual means an animal can create offspring by its self sexual means an animal can only create offspring with another animal
what is the respiratory system?
the respiratory system is a group of tissue and organs that help you breathe
what are the two upper chambers called?
what do the enzymes do?
the enzymes break down food before its swallowed
what are the 3 main parts in the neurons?
the 3 main parts of the neurons are the dendrites, the cell body, and the axon
how many sperm can be created during sexual intercourse?
during sexual intercourse there can be between 200-300 sperm created
what is a main part of our body that we need?
we need energy!
how long are the adult blood vessels laid out straight?
adult blood vessels laid out straight would be 62,500 miles!
what can the windpipe also be called?
the windpipe can also be called the trachea
what is the spinal column made up of?
the spinal column is made up of bones called the vertebrate
where does the baby stay during pregnancy?
the baby stays in the uterus during pregnancy
what is the muscle that we use when we breathe?
we use the diaphragm when we breathe
how many litres of blood does an average adult carry?
an average adult carries 5 litres of blood
what kills bacteria?
the hydrochloric acid kills the bacteria
whats the largest part of you brain?
the cerebrum is the largest part of your brain
around what age do girls get there period?
girls normally get there period around 12 years old
what are the two things that the alveoli do for us?
the alveoli passes oxygen to our blood it also helps clean carbon dioxide out of our blood cells