Very tiny blood vessels that allow gases and nutrients to be exchanged with organs
Proteins that remember a pathogen and fight it are called
Diabetes is considered
What is a function of the skeletal system?
The type of muscle tissue that moves materials through your body is called
The part of the nervous system that includes the brain and the spinal cord is the
Which is an example of a voluntarily-controlled action
The endocrine system uses ___ to send messages
Sperm is delivered to the female reproductive system by the
The part of the female reproductive system that connects the ovaries with the uterus is the
The stage of life after childhood in which skeletal and muscular systems continue growing and the reproductive system matures
The ___removes wastes from blood
Food leaves the mouth and travels down the ___ to the stomach.
The tiny sacs in which gas exchange takes place in the lungs
Are lungs part of the excretory system?
Blood type is determined by
The first line of defense against infection is
the basic units of the nervous system
The hard outer layer of bone
the process by which new organisms are produced
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