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☆☆☆☆☆The endocrine system affects cells with certain receptors .
The nervous system can affect only nearby cells
It sends messages that control all the systems in the body.
The nervous system controls almost every action in the human body. It controls the heart beat, your adrenaline levels, and many other things which can effect an organism.
viruses are not alive. APEX
Nutrients are absorbed into the bloodstream. Starch is broken down by enzymes.
Macromolecules are broken down.
leukemia.
When there are limited resources.
when there is competition for resources. apex :)
Mutations in sex cells can be passed on to children.
Mutations in sex cells only affect offspring.
Mutations in sex cells do not affect the organism.
Small intestine
Esophagus - APEX
The parts of the alimentary canal are:
The Mouth
The Pharynx
The Stomach
The small intestine
The large intestine
Inflammation and fever are nonspecific immune system reactions.
HIV attacks helper T cells that are trying to fight infection, rather than attacking healthy body cells like a cold virus does.
HIV attacks lymphocytes directly.
The endocrine system sends messages using hormones. It delivers messages from the nervous system to the excretory system. It tells the excretory system when the blood is out of balance.
Neutrophils
A sperm or egg
eyes develop
lips start to form
Vocal cords develop.
The optic nerves connect the brain and eyes.
