Nab

Question 0

How do red blood cells structures relate to their functions?

Answer 0

Large surface area makes it easy to carry more oxygen

Question 1

How do sperms cells structures relate to their functions?

Answer 1

Tail makes it easy to swim towards egg. Mitchocondra is to provide energy

Question 2

What are stem cells

Answer 2

Stem cells are UNSPECIALISED ANIMAL cells that are involved in GROWTH and REPAIR

Question 3

How can stem cells be used to benefit humans

Answer 3

They can develop into specialized cells to replace lost/damaged cells

Question 4

One ethical concern with the use of embryonic stem cells

Answer 4

Embryo nice stem cells are found in early embryos which means they could have been a human instead of being used for cells

Question 5

What’s a cerebrums function

Answer 5

Largest part of the brain and controls our higher order functions such as thought perception and personality

Question 6

What is cerebellums functions

Answer 6

Controls balance and muscular coordination

Question 7

What is the medullas function

Answer 7

Controls rate of breathing and heart rate

Question 8

What are gaps between nerves called

Answer 8

Synapses

Question 9

Where is a male gamete produced

Answer 9

Anthers

Question 10

Where is a female gamete produced

Answer 10

Ovaries

Question 11

What is zygote

Answer 11

Fertilized egg

Question 12

Difference between diploid cells and gametes

Answer 12

Diploid cells have 2 sets of chromosomes !

gametes only have one set of chromosomes and So are called haploid

Question 13

What’s fertilization

Answer 13

When a male and female gamete join to produce a zygote

Question 14

What’s genotype

Answer 14

A set of genes that organism posses for a particular charectorisitic

Question 15

What’s phenotype

Answer 15

The physical appearance of an organism for a particular charectorisitic

Question 16

What’s a gamete

Answer 16

Sex cell

Question 17

What’s an allele

Answer 17

Different forms of the same gene

Question 18

Whys transpiration important to plant cells

Answer 18

So that plants can loose water through the stomata

Question 19

What two things could increase transpiration

Answer 19

High winds and high temperatures

Question 20

What vessel does water pass through

Answer 20

The xylem

Question 21

What strengthens the xylem

Answer 21

Lignin

Question 22

What’s opens and closes the stomata

Answer 22

Guard cells

Question 23

How do guard cells open and close the stomata

Answer 23

When guard cells become turgid the stomata open to allow CO2 in and H2O out to allow more photosynthesis

Question 24

What’s do veins do

Answer 24

Carry blood to the heat, low pressure meaning only need thin walls

Question 25

What does capillary do

Answer 25

Forms a network between veins and arterys at organ and tissues, low pressure, thin walls

Question 26

What do arterys do

Answer 26

Carries blood away from heart, high pressure so they need thick walls!

Question 27

What do veins supply the heart with

Answer 27

Blood

Question 28

What’s happens if the colanary artery is blocked

Answer 28

If blocked by cholesterol the could cause heart complications eg a heart attack

Question 29

How do you reduce change of getting heart disease?

Answer 29

Healthy diet and excersise regularly