Answer: There are a series of systems in the body that regulates all of the activities that are necessary to sustain life. A system is a combination of many smaller parts that makes up a whole. A system has both a input and an output. There are at least nine body systems in the human body. Many other organisms in the world also have these body systems. Unicellular organisms that lack the complex organization of multicellular organisms use their organelles instead of organs to accomplish all of the activities that are necessary to sustain life.
Or 1. systems 2. activities 3. parts 4. input 5. nine 6. body 7. organelles
Explanation:
The study of human behavior is called psychology. There are different types of emotion in human behavior and these are anger, happiness, sadness and etc.
The correct answer is true.
<h3>What is the calendar?</h3>
- A calendar is a system of organizing days. This is done by giving names to periods of time, typically days, weeks, months, and years.
- A date is the designation of a single, specific day within such a system. A calendar is also a physical record of such a system.
According to the question, the special school calendar does count as a good study habit. These help students to check their schedules and help to organize their day and plan.
They help the student to learn the dates, times, and days.
Hence, the correct answer is true.
For more information about the question, refer to the link:-
brainly.com/question/787658
Answer:
By having friends around you to challenge each other or recording You.Tube video
Explanation:
