How does respiratory failure affect the body? A. Oxygen does not make it to the brain.
B. Pathogens attack the systems of the body.
C. Fecal matter builds up in the body.
D. Energy is not given to the body.

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

The mixture of sperm and fluids from the seminal vesicles, prostate gland, and cowper's glands is called

Explain how mendel kept his pea plant from self pollination