Which of the following statements about heredity is accurate?
a. it is based on personal choices and determination.
b. it is the passing of characteristics from parents to children.
c. it can be changed with sufficient medical care and knowledge.
d. none of the above

Which are reasons cells undergo cell division?

Fill in the blank 1. digestion occurs in the small intestine through the action of enzymes. 2. urea, excess water, and other waste materials are eliminated in a water fluid called 3. can cause infections by injecting dna or rna into hosts. 4. the human immune system produces in response to a vaccine, which later can bind to and destroy a pathogen if it invades. 5. are structures that link bone to bone at a joint 6. in the heart, blood flows from the right atrium to the right ventricle, where it is pumped to the the words i can use are: lymphocytes gliding pivot gas urine absorption dermis fulcrum lungs chemical viruses capillary vertebrae esophagus tendons antibodies synapses ligaments kidneys pathogens

What part of the body contains bile, an enzyme that break down lipids?