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Aspects of human physiology SAQ answers
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DistanceLearningCentre.comANSWERS TO SAQS
Subject: Biology / Human Physiology / Medicine
Unit: Aspects of Human Physiology / Human Physiology
Topic 1: The Endocrine System, Homeostasis and the Nervous
System
Topic 2: The Digestive, Cardiovascular, Respiratory and
Excretory Systems
Level: 3
Topic 1- The Endocrine System, Homeostasis and the Nervous System
SAQ 1:
1. Put the following into the correct order of organisation starting
with the smallest thing first
Tissue, Organ system, Organelle,
Organism, Cell, Molecule, Organ,
2. Give one example of each component:
Component Example
Tissue
Organ System
Organelle
Organism
Cell
Molecule
Organ
Answers:
1. Molecule → Organelle → Cell → Tissue → Organ → Organ System
→ Organism
© DistanceLearningCentre.com, 2022 1
, Subject: Biology / Human Physiology / Medicine
Unit: Aspects of Human Physiology / Human Physiology
Topic 1 and 2: The Endocrine System, Homeostasis and the Nervous System / The
Digestive, Cardiovascular, Respiratory and Excretory Systems
Level: 3
ANSWERS TO SAQs
2.
Component Examples include
(There are others)
Tissue Epithelial tissue, nervous tissue,
connective, and muscular tissue
Organ System Cardiovascular, respiratory,
digestive
Organelle Nucleus, ribosomes,
mitochondria
Organism Human
Cell Red blood cells, white blood
cells, epithelial cells
Molecule DNA, proteins, phospholipids
Organ Lungs, heart, kidneys, brain,
skin, liver
SAQ 2:
1. State one function of the endocrine system
Answer:
1. This system produces and releases hormones (chemical messengers)
that are responsible for coordinating different functions of the body (e.g.
growth and fertility).
© DistanceLearningCentre.com, 2022 2
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