Keeping it together revision

Question 1

What is a multicellular organsim

Answer 1

A organsim that is made up of more than one cell.

Question 2

What is a Unicellular organsim

Answer 2

A organism that is only made up of one cell (single cell organisms)

Question 3

requirements for life are

Answer 3

water
food
oxygen
energy
cells/organs
excretion

Question 4

Hierachical relationship between cells, tissues, organs, and organ systems.

Answer 4

Cells make up tissues
Tissues make up organs
Organs make up organ systems

Question 5

What is the central nervous system

Answer 5

The central nervous system consists of the brain and spinal cord.
It controls movement, emotion, heart rate, hormones and body change.

Question 6

What is the peripheral nervous system

Answer 6

The peripheral nervous system is made up the nerves that branch out from the brain and spinal chord.

Autonomic nervous sytem- involuntary movie
Somatic nervous system- muscle movement and movements in your body

Question 7

Function of Ovaries

Answer 7

Ovaries produce eggs and release hormones such as oestrogen and progesterone. They control, breast development, body shape and body hair.

Question 8

Function of pituitary glands

Answer 8

Major endocrine gland that controls the function of many other endocrine glands.
Produces growth hormone.