The two factors that combine to determine the heart rate are the extrinsic and intrinsic controls.
<span>These elements are oxygen, carbon, hydrogen, nitrogen, calcium and phosphorus.</span>
Yes because movement is a characteristic of living things, and it is something that a living being must do to survive. For example, (at a cellular level) you need movement for growth, reproduction, and responses to stimuli.
Answer:
Virus enters into the host cell through a process called endocytosis.
Explanation:
Endocytosis is a process in which molecule enters into the cell through cell membrane. Virus also enter into the host cell through this process. After entering, the virus starts replication and grow in numbers inside the host cell and take nutrients from it which is used in the process of reproduction. When virus population increases, it cause infection to the neighboring cells.
Answer: because oil is less dense than water and therefore it floats to the surface.
Explanation: