<h3><u>Answer;</u></h3>
Preload, afterload, and contractility
<h3><u>Explanation;</u></h3>
- Cardiac output is the amount of blood the heart pumps in 1 minute, and it is dependent on the heart rate, contractility, preload, and afterload.
- Preload is the initial stretching of the cardiac myocytes or muscle cells prior to contraction. Afterload is the force or load against which the heart has to contract to eject the blood.
- Contractility is the intrinsic strength of the cardiac muscle independent of preload, but a change in preload will affect the force of contraction.
Answer :
D) Plants
Explanation :
A producer is a plant or organism that produces it own food. Plants go through a process of Photosynthesis Which makes its own food.
Step 1 - All the reactants collect in the Chloroplast
Step 2 - Light energy from the sun drives the reactants to make a chemical reaction.
Step 3 - The products of the chemical reaction including Glucose the plants food and Oxygen, which is released into the air and which living organisms breathe.
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Answer:
Nitrifying bacteria carry out aerobic biological ammonia (NH3) oxidation to nitrate (NO3−) pls mark me branilest
Reactions are shown below,
Reaction 1: This reaction followed
Morkovnikov's rule, because according to this rule hydrogen will go to that carbon which has greater number of hydrogens or fewer number of carbons.
Reaction 2: This reaction followed
Anti-Morkovnikov's rule, and it is opposite to reaction 1.
Reaction 3: This reaction followed
Zaitsev's Rule, according to this rule elimination will yield highly substituted alkene.