Chapter 3: Biology

Question 1

What are specialised cells?

Answer 1

Cells that have a particular structure so they can carry out a specific function.

Question 2

Name all 7 specialised cells

Answer 2

Sperm cell
Egg cell (ovum)
Palisade cell
Ciliates cell
Root hair cell
Nerve cell
Red blood cell

Question 3

What does a palisade cell do?

Answer 3

Help photosynthesise

Question 4

What is in plant cell but not animal cells?

Answer 4

Chloroplast

Amyloplast

Question 5

What does chloroplast do?

Answer 5

Make the plant green

Question 6

What are tissues?

Answer 6

A collective name for cells that carry out similar specifications

Question 7

What does epithelial tissue do?

Answer 7

Line blood vessels, organs and cavities

Question 8

What are the 4 types of muscle tissue?

Answer 8

Skeletal
Involuntary
Cardiac
Nervous

Question 9

What is chemical digestion?

Answer 9

The breaking down of large food molecules into smaller molecules by enzymes

Question 10

Name 2 examples of chemical and mechanical digestion

Answer 10

Mechanical= chewing and bile breaking down fats
Chemical= saliva breaking down starch and gastric juices in stomach breaking down food molecules

Question 11

What does plasma do?

Answer 11

Maintain blood pressure aswell as carry all cells through blood

Question 12

What do platelets do?

Answer 12

Prevent bleeding

Question 13

Which side of the heart has deoxygenated blood come into it?

Answer 13

Right from the inferior and superior vena cava

Question 14

Where does oxygenated blood go after the left ventricle?

Answer 14

Up the aortic valve and into the the aorta and out to the body

Question 15

Where does the Air come into for gas exchange?

Answer 15

Blood capillary and alveoli

Question 16

How does the CO2 get filtered by the alveoli and capillary

Answer 16

Air comes through the capillary then filtered through cell membrane and breathed out while oxygen is being transferred to the red blood cells in blood in capillary