Author: Study Clue

A plant growing in open windy areas often produces seeds with wings or hairs mainly to A Make seeds heavier

In many grasses and dandelion-like plants, which feature helps seeds travel far in air currents? A Hairy parachute tuft B

During a breath-hold, the first strong signal forcing you to breathe comes mainly from A Low nitrogen level B High

If oxygen supply becomes limited during intense exercise, muscles shift to a process that mainly produces A Extra glucose stores

The immediate reason cells need ATP from respiration is to A Increase body height B Change eye colour C Do

Even without movement, the body keeps respiring mainly to support A Skin colour change B Bone length increase C Hair

Why do organisms need to respire even when they are resting quietly A To store food B To make vitamins

A student says “bile digests fat like enzymes do”; the best correction is that bile mainly A Digests protein chains

In a person who eats very fast without chewing well, digestion becomes harder mainly because A Less stomach acid B

In humans, the organ that pushes food down by muscular waves after swallowing is the A Trachea B Liver C