Select the two systems that are most closely related to the situation or process described: forming a scab over a cut on your knee

nervous

immune

integumentary

respiratory

In which part of the body is a ball-and-socket joint found?

Which chemical reaction shows photosynthesis? a. water + carbon dioxide + sunlight → oxygen + glucose b. carbon + oxygen → carbon dioxide c. hydrogen + oxygen → water d. nitrogen + hydrogen → ammonia

Part of the elbow is formed by the end of the humerus. what do you call this part?