A student’s heart rate rises during exercise. Which two systems work most directly to deliver more oxygen to muscle cells?
Cardiovascular and respiratory systems.
Which organ pumps blood throughout the body?
Heart
A tissue contains cells that cover and protect body surfaces. What type of tissue is this?
Epithelial tissue.
Which cell structure contains DNA and controls many cell activities?
Nucleus.
Most single celled organisms like bateria are this type of cell.
Prokaryotoes
A person eats a meal. Which system breaks food into smaller molecules that can enter the bloodstream?
Digestive system.
Which organ is the main site where oxygen enters the blood and carbon dioxide leaves it?
Lungs
Which tissue type allows the body to move by contracting and relaxing?
Muscle tissue.
Which organelle releases usable energy from food molecules for the cell?
Mitochondrion.
Most complex organisms, like humans, are multicellular organisms with these types of cells.
Eukaryotic
A runner sweats heavily on a hot day. Which system helps regulate body temperature by producing sweat?
Integumentary system.
Which organ produces bile, processes nutrients, and helps remove harmful substances from blood?
Liver.
Blood is classified as which major tissue type because its cells are surrounded by a fluid matrix?
Connective tissue.
A cell needs to make proteins. Which structure directly assembles amino acids into proteins?
Ribosome.
This type of cell is responsible for disease in humans.
A sudden danger causes a rapid heartbeat and faster breathing. Which system coordinates this rapid response?
Nervous system.
A patient has reduced insulin production. Damage to which organ would most directly explain this problem?
Pancreas
A tendon connects muscle to bone. Which tissue type makes tendons strong and resistant to pulling?
Connective Tissue
A cell is placed in a solution with less solute outside the cell. What will water tend to do?
Move into the cell by osmosis.
displayed a high level of physical fitness by consistently scoring 540+ on the ACFT with 80+ in each event
What is Presence?
The kidneys remove wastes from blood and help regulate water balance. Which system includes the kidneys?
Urinary System
Which organ filters blood to form urine while also helping maintain water and salt balance?
kidney
Which tissue type carries electrical signals that allow rapid communication throughout the body?
Nervous tissue.
A muscle cell needs large amounts of ATP during exercise. Which organelle would be especially active?
Mitochondria.
reviewed records and advised 5 NCOs on career progression and promotion potential leading to 4 NCO promotions
What is Develops?