Answer these:Q1:Is it wise to sleep under a tree ,(a)during the day or(b)during the night
Q2:A person put warm water in an aquarium,thinking that the fish would be more comfortable in it,how ever all the fish died .What is the reason? Q3:When you run ,your breathing becomes faster as you need more oxygen .But why does your rate of heart beat also increase? Q4:Why do plants not need a digestive system ? Q5:If you hold your breathe for some time and then we release it ,you have to breathe heavily after that why? Q6:Why do you think we yawn when we are sleepy or drowsy? Q7:Why do mountaineers climbing high mountains carry oxygen cylinders with them?
Answers
Answered by
4
1. (a)
2. Because fish are cold blooded
3. Rate of heart beat also increases to ful fill the needs of oxygenated blood
2. Because fish are cold blooded
3. Rate of heart beat also increases to ful fill the needs of oxygenated blood
Answered by
0
Answer:
1. (a)
2. Because fish are cold blooded
3. Rate of heart beat also increases to ful fill the needs of oxygenated blood ,
Explanation:
Similar questions