Explanation

Breathing is an involuntary action controlled by the autonomic nervous system, though it can be consciously regulated for short periods.

Eating, talking, and walking are voluntary actions as they require conscious control.

Explanation

During respiration, plants break down glucose to release energy (ATP), producing carbon dioxide and water as byproducts.

This process occurs in the mitochondria.

It happens day and night.

Explanation

Spirogyra, Volvox, and Chlamydomonas are all types of algae.

They are simple, photosynthetic organisms.

They belong to the Kingdom Protista.

They are commonly found in freshwater environments.

Explanation

The lifespan of a red blood cell is around 120 days.

Blood cells are made in the bone marrow.

Explanation

A fracture is a break or crack in a bone due to trauma or stress.

It can be simple (closed) or compound (open) depending on whether the bone pierces the skin.

Explanation

The pancreas produces insulin, which regulates blood sugar levels.

In diabetes, the pancreas does not produce enough insulin or the body cannot use it properly.

Explanation

The human cell contains 46 chromosomes.

These are organized into 23 pairs, where each parent contributes one chromosome to each pair, resulting in a total of 46 chromosomes in most human cells.

This number includes 22 pairs of autosomes and 1 pair of sex chromosomes, determining an individual's sex (XX for females and XY for males).

NOTE: DON'T BE CONFUSED about the pair and number of Chromosomes in the Human body

Total Chromosomes: 46

Pairs of Chromosomes: 23

Explanation

Centrioles play a key role in cell division by organizing spindle fibers that separate chromosomes.

They are found in animal cells.

They help in the formation of the mitotic spindle during mitosis.

Explanation

Earthworms improve soil fertility by decomposing organic matter, making nutrients available to plants.

They enhance soil aeration and structure, acting as natural bio and living fertilizers.

Explanation

100 grams of cooked white rice contains approximately 360 kcal, depending on the variety.

Rice is a major carbohydrate source, providing energy for daily activities.