Explanation

Stroke volume is the amount of blood pumped by a ventricle in a single contraction.

Explanation

Each kidney contains around 1 million nephrons.

They are the functional units responsible for filtering blood and producing urine.

Explanation

Animals that eat plants exclusively are herbivores

Animals that eat only meat are carnivores.

Animals that eat both plants and meat are called omnivores.

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ND18-1-2023

Explanation

Malady means disease.

It refers to a physical or mental illness or disorder.

It often a serious or chronic one.

Explanation

Explanation

Magma is molten rock that forms beneath the Earth's surface, often in the mantle or crust.

When magma erupts from a volcano, it is called lava.

Explanation

Stamen is the part of the plant that produces pollen.

Specifically, the anther, which is part of the stamen, is where pollen is produced.

Explanation

The demographic transition model was initially proposed in 1929 by demographer Warren Thompson.

Explanation

Robert Watson-Watt was a Scottish engineer and inventor who is credited with developing the first practical radar system.

He demonstrated the first radar system in 1935.

He was knighted in 1942 for his contributions to the development of radar technology.

Radar (Radio Detection and Ranging) is a system that uses radio waves to detect and locate objects, and it played a crucial role in World War II.

Explanation

NaCl is an electrolyte.

Because it dissociates into ions (Na+ and Cl-) in water, conducting electricity.