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White raven [17]
3 years ago
10

Someone, plz help me!!! I will give 30 points to the correct answer!!!

Biology
1 answer:
Stels [109]3 years ago
3 0

Answer: Farming Hunting and Industrialization

Explanation:

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3 years ago
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The papillary muscles contract after the other ventricular muscles so that they can take up the slack on the chordae tendineae b
pogonyaev

Answer:

FALSE

Explanation:

Papillary muscles are found in the bottom chambers of the heart and attaches to the tricuspid  and bicuspid valve through tendons to facilitate blood flow during systole. It also prevent prolapse. These muscles contract before the contraction of ventricular muscles (or before the contraction of ventricles) by pulling chordae tendinae till the ventricles are relaxed. This helps in preparing the valves for high ventricular pressure

Hence, the given statement is false

8 0
3 years ago
If a branch is cut from a tree ,after some hours the stem remains firm explain<br> ?
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Answer:

The leaves no longer have water, which means that there is little osmotic pressure which keeps it turgid.

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The stem still contains water because of the capillary action that occurs. However, since there is no strong attraction, the water cannot be pulled to the leaves.

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3 years ago
When you complete a high school program of study, you will earn a_______________.
JulijaS [17]

Answer:

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Explanation:

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