Answer:
The correct answer will be-
1. Pupil
2. Retina.
Explanation:
Organisms are able to see the world around them thorugh the sense organs called the eyes.
The structure of eye contains various modified structure which include the membranes and the attached muscles.
When light enters the light through the dome-shaped structure called cornea which contains the convex lens converges the light and light enters the hole called pupil through which light enters and strikes or get focused on the retina present at the back of the eye.
The pupil is attached to the ciliary muscles which dilate and contracts in the response of the intensity of light as during high light intensity, the pupil constricts whereas during the low light intensity the pupil dilates to allow the maximum amount of light.
Thus, pupil and retina is the correct answer.
When blood calcium levels drop, glands embedded in the posterior thyroid secrete parathyroid hormone, which stimulates osteoclastic activity. It is made up of parathyroid glands that lie behind the thyroid glands. The reason why it is important because it controls calcium level in the blood and within the bones. It controlled by the low calcium levels in the blood it restorative parathyroid secretion whereas the high calcium levels in the blood stop the release of parathyroid hormone.
People who don't exercise get injuries because their body is not used to it so they will not perform well.
Answer:C( A green color
Explanation:Brownian motion. This is the motion of small objects (like pollen) that appear to jiggle around while sitting in a drop of water. You can view this motion under a microscope.
Oxygen atoms in a water molecule are partially negative, so the sodium ions (Na+) should be drawn to them... vice versa, the Hydrogen in a water molecule is partially positive... which should interact with the negatively charged chlorine (Cl-) ion.
