While walking to the kitchen in the middle of the night, jamal tripped over an object that he could not see in the dark. which part of the cns sent a signal to prevent jamal from falling?
a. cerebrum
b. hippocampus
c. cerebellum
d. brain stem

Which type of bond forms between water moleculesstrong bondhydrogen bondcovalent bondpolar bond

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis

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