1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
belka [17]
3 years ago
10

explain why a circulatory system is important in meeting the needs of all cells throughout an animals body

Physics
1 answer:
Effectus [21]3 years ago
7 0
Helps ur blood circulate, to ur head and ect helpin u leave
You might be interested in
Explain how objects in motion have kinetic energy, use examples
Ann [662]
Kinetic energy is energy that a body possesses by virtue of being in motion, there for if an object is moving, it has kinetic energy.
Example; A roller coaster sitting on top of hill has potential energy. When it starts to move and is going down the hill, it has kinetic energy. :)
8 0
3 years ago
In both the camera and the __________, light enters a narrow opening and is projected onto a photosensitive surface. Group of an
Citrus2011 [14]

Answer: The HUMAN EYE

Explanation:

The human eye is made up of different parts which ranges from controlling the amount of light that enters the eye to the focusing of the image that is formed. The camera is a device which is both mechanically and electronically operated which shares a number of similarities with the eye.

In the human eye, the IRIS helps to regulate the amount of rays passing through the pupil to the lens by either contracting or dilating in light or dark environment respectively. While in the camera, the DIAPHRAGM controls the amount of light entering the camera.

The PUPIL serves as the passage for light into the eye while in the camera, the APERTURE does the same.

The photosensitive surface in the eye is the YELLOW SPOT while in the camera, the photosensitive surface is the PHOTOGRAPHIC FILM.

5 0
3 years ago
1 The Earth's crust is made up of plates that can move. Which of the following topographic features could be directly formed by
olga_2 [115]
Can you write this better and from my info of what i know i know that one way is the trenches in the ocean like marianas trench  <span />
7 0
3 years ago
Consider the following list of numbers. 129, 685, 125, 511, 601, 52, 46 The height of a binary search tree is the maximum number
NemiM [27]

Answer:

The height of the tree is three (3) deep

Explanation:

It's 3 deep

Under 129, comes 125 and 685;

Under 125, comes 52 : Under 685, comes 511;

Under 52, comes 46 : Under 511, is 601.

This is illustrated below.

129

∧

125,685

|,|

52,511

|,|

46,601

5 0
3 years ago
Micah knows that a car had a change in velocity of 15 m/s. What does micah need to determine acceleration.
katrin2010 [14]
The time component is needed. The acceleration is the change of velocity divided by the time in when this change of velocity happens.
4 0
3 years ago
Read 2 more answers
Other questions:
  • For all simple machines, when the output force is greater than the input force,
    11·1 answer
  • In this problem, you will answer several questions that will help you better understand the moment of inertia, its properties, a
    9·1 answer
  • A rubber balloon is rubbed with a PVC pipe and the rubber balloon becomes positively charged. Why is this? a) Because the rubber
    7·1 answer
  • If you exert 250J of work onto a lever that is 5m long, what amount of force are you applying?
    13·2 answers
  • The index of refraction of silicate flint glass for red light is 1.620 and for violet light is 1.660 . A beam of white light in
    15·1 answer
  • What is the magnitude of the detected sound frequency shift from 170 Hz during the projectile flight described in the passage?
    9·1 answer
  • For any planet, if the planet were to shrink, but have constant mass, what would happen to the value of gravity acceleration (g)
    5·1 answer
  • A camera lens used for taking close-up photographs has a focal length of 22.0 mm. The farthest it can be placed from the film is
    15·1 answer
  • Helpp
    13·1 answer
  • Think of a scenario where an authoritarian leadership style would be beneficial. Explain. What are the reasons it would work wel
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!