Plant Transport
This tissue transports manufactured food from the leaves to other parts of the plant.
Answer: What is phloem?
These cells transport oxygen using haemoglobin.
Answer: What are red blood cells?
The two main divisions of the nervous system are these.
Answer: What are the central and peripheral nervous systems?
This type of joint is found in the elbow.
Answer: What is a hinge joint?
The attachment of the embryo to the uterus is called this.
Answer: What is implantation?
This region of a plant where sugars are being used or stored is called a ______.
Answer: What is a sink?
This mineral ion is essential for blood clotting.
Answer: What is calcium (Ca²⁺)?
Chemicals that carry impulses across a synapse are called this.
Answer: What are neurotransmitters?
The muscle that contracts when the arm is bent is the ______.
Answer: What is the biceps?
Sperm cells mature and are stored in this structure.
Answer: What is the epididymis?
The movement of water from roots to leaves through xylem is driven mainly by this force created by evaporation.
Answer: What is transpiration pull?
Correct order:
Platelets stick to wound
Fibrin forms
Blood vessel breaks
Blood cells trapped
Answer: What is 3 → 1 → 2 → 4?
Dendrites conduct impulses in this direction.
Answer: What is toward the cell body?
Cartilage helps reduce this between bones.
Answer: What is friction?
The structure that connects the foetus to the placenta is the ______.
Answer: What is the umbilical cord?
During hot weather, guard cells lose water causing stomata to do this.
Answer: What is close?
Oxygenated blood from the lungs enters this chamber first.
Answer: What is the left atrium?
This part of the brain controls breathing and heartbeat.
Answer: What is the medulla oblongata?
Define antagonistic muscles.
Answer: Muscles that work in pairs where one contracts while the other relaxes.
This hormone maintains the uterine lining after ovulation.
Answer: What is progesterone?
Explain how closing stomata helps prevent excessive water loss.
Answer: It reduces transpiration by limiting water vapor escaping from the leaf surface.
Name the full pathway of oxygenated blood from lungs to the body.
Answer: Pulmonary vein → Left atrium → Mitral valve → Left ventricle → Aortic valve → Aorta.
In a knee jerk reflex, impulses travel through this pathway.
Answer: What is receptor → sensory neurone → spinal cord → motor neurone → effector?
The kneecap bone is called the ______.
Answer: What is the patella?
State two differences between sexual and asexual reproduction.
Answer:
Sexual involves two parents; asexual involves one.
Sexual produces variation; asexual produces identical offspring.