Choose all that apply. The heart ___.

pumps blood to the body.

has four chambers.

is part of the cardiovascular system.

is made of skeletal muscle.

works with the respiratory system.

(you can pick more then one!)

What is the function of the somatic nervous system? connects the brain and the spinal cord to the rest of the body carry signals to the muscles and glands includes all nerves controlling the muscular system and external sensory receptors controls internal organs like the heart and bladder

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.

How do disease caused by bacteria and disease caused by viruses react to antibiotics