Question 1 is certainly D. and number 2 is B because it causes communication with the musicle!
The differences between a plant and algae are:
- lack of vascular tissue in algae.
- different types of chlorophyll used in chloroplasts
<span>- bsence of "root, stem, leaf" structure
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The cell contains many organelles which have different functions like a tiny system
The frog heart<span> has 3 chambers: two atria and a single ventricle. The atrium receives deoxygenated blood from the blood vessels (veins) that drain the various organs of the body. The left atrium receives oxygenated blood from the lungs and skin (which also serves as a gas exchange organ in most amphibians).</span>
