What is a way that bacteria can harm humans? 1. Bacteria makes vitamins that cells cannot.
2. Intestinal bacteria protects the body from being infected by illness-causing bacteria.
3. Bacterial infections can cause illnesses such as strep throat.
4. Bacteria aids in digesting food.

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.

Identify two examples of chemical reactions that you have encountered during the last week. identify an exothermic and endothermic reaction. explain.

If 360 joules of work are needed to move and create a distance of 4 m what is the weight of the crate