In the lab when working with acids and bases you should always wear.

Goggles, lab apron and closed toed shoes.
Goggles
Goggles and lab apron
Closed toed shoes
help ASAP

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

Witch theory suggests all living things are made up of cell or cells

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