The components of the human body. from organ systems to cell organelles, interact to maintain a balanced intemal environment. to successfully accomplish this task, organisms possess many different receptors that detect deviations in the body's intenal state and initate corrective actions. in which of the tollowing ways does the body respond to an increase in skeletal muscle cell activity? by increasing the heart rate by increasing the respiratory rate by converting white blood cells to red blood cells by producing less hemoglobins

Select the correct answer. which statement applies only to the axial skeleton, not the appendicular skeleton? a. it contains a pivot joint. b. it has muscles attached that work in pairs. c. it contains red bone marrow. d. it possesses fossa for bone articulation. e. it protects the heart and lungs.

12) several teeth were found in an area of flat land covered with trees and plants. the teeth were examined by a paleontologist, and it was determined that the teeth came from a shark. they found many other shark teeth in this area. however, the people who discovered the teeth were puzzled, because there was no source of water near where the fossils were found. what is the paleontologist's best explanation for why the teeth were found in this area? a) sharks used to live on flat land. b) this area was once covered with salt water. c) this area was once covered with freshwater. d) someone buried the shark teeth deep in the ground.

There are two tomato plantlets one of them is kept in an oxygen chamber with a light source and another is kept in sunlight. both of them are watered regularly what will be the observation after two weeks